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Photos and a handwritten note detailing the grisly discovery of Titanic’s last lifeboat will be auctioned in the U.K. later this week.

The three photos were taken on May 13, 1912, almost a month after Titanic’s sinking, and show crewmembers from RMS Oceanic attempting to recover one of the doomed liner’s lifeboats. Inside the lifeboat, thought to be the last to leave the sinking ship, were the decomposing bodies of three Titanic passengers.

One photo shows a boat from Oceanic being lowered, another shows the boat approaching the drifting lifeboat. A third picture shows Oceanic crewmembers on the Titanic lifeboat.

Titanic struck an iceberg at 11:40 p.m. ship's time on April 14 1912 and sank just over two hours later with the loss of more than 1,500 lives.

A handwritten account of the lifeboat recovery by an unidentified Oceanic passenger describes the gruesome discovery of three corpses. One corpse was wearing a dinner jacket and the bodies of two Titanic firemen were wedged under the lifeboat’s seats, it explained, adding that one corpse’s arms came off in the hands of the Oceanic’s boarding officer. A woman’s ring was also found on the lifeboat, according to the note.

“It’s an incredibly graphic account of the recovery,” Henry Aldridge & Son auctioneer Andrew Aldridge told FoxNews.com. “Titanic was ‘the ship of dreams’ but this is the ship of nightmares – it’s the horrific elements of what happens in a disaster.”

A number of Titanic passengers made it to the lifeboat, known as ‘Collapsible A’ when it washed off the ship’s deck, partly submerged, but not all survived. The bodies found by Oceanic were left on the lifeboat when Collapsible A’s survivors were picked by another lifeboat.

The corpse in the dinner jacket was identified as Titanic first class passenger Thomson Beattie. The wedding ring belonged to Swedish passenger Elin Gerda Lindell, who briefly reached Collapsible A, but later drowned, according to Encyclopedia Titanica. Her husband Edvard Bengtsson Lindell held Elin’s ring before he died on Collapsible A. His body was never recovered.

The photos and handwritten note are among a host of Titanic artifacts that will be sold at auction in Devizes, U.K. on April 23. The lot containing the photos, note and an Oceanic log abstract has a pre-sale estimate of between $2,879 and $4,318.

Other Titanic memorabilia up for auction include a rare ticket stub from the liner’s launch in Belfast 1911 and a photo of the drawing office where the ship was designed, showing a model of the ship. Both lots have pre-sale estimates of $8,636 to $14,393. The first letter written onboard the Titanic, penned just hours before the ship embarked on its doomed maiden voyage, will also be sold.

Last year a cup presented by Titanic survivor Molly Brown to the captain of rescue ship Carpathia sold for $200,000 in a major auction of Titanic memorabilia held by Henry Aldridge & Son. A photo purportedly showing the iceberg that sank the Titanic also sold for $32,000 in the auction.

In the United States, most people work more than the not-so-standard 40-hour workweek, and energy drinks are an increasingly popular way to power through 10-hour days and reach the finish line.

But take it easy on those Red Bulls, Monsters and 5-Hour Energy bottles — your liver will thank you. Case in point: Doctors at the University of Florida report what they believe to be the second documented case of acute hepatitis brought on by chugging too many energy drinks.

Those Aren’t Wings

The patient was a 50-year-old, otherwise healthy, man who had been nagged by abdominal pain, vomiting and drowsiness for a few weeks. He brushed it off as flu-like symptoms, but grew alarmed after he noticed darkened urine and signs of jaundice. After visiting with doctors, he was promptly diagnosed with severe acute hepatitis.

Doctors ruled out drugs, alcohol and sexual behavior as causes, and tests revealed this wasn’t a typical viral hepatitis infection. However, levels of B vitamins — used as “energy blends” in beverages — in his liver were literally off the charts. Sure enough, the patient told doctors he had been consuming four to five energy drinks daily, for three weeks straight, to get through his labor-intensive days as a construction worker.

He was treated and released after spending three days in the hospital. The cure was simple: he stopped downing energy drinks. His doctors published a detailed case report Tuesday in the British Medical Journal.

Moderation, As Always

Energy drinks contain a host of B vitamins, but the patient’s toxicity profile clearly indicated an overdose of Vitamin B3, also known as niacin.

Niacin is used pharmaceutically and in supplements to treat high cholesterol and reduce the risk of heart attack by improving circulation. If you don’t get enough niacin, it can cause pellagra, a nasty condition characterized by cracked, scaly skin, dementia and diarrhea.

Like all the B vitamins, niacin helps convert carbohydrates into glucose — the body’s fuel. That’s why energy drinks are loaded with them. But, like all things, too much niacin can be trouble.

Typically, a daily 500-milligram dose of niacin is considered toxic, and doctors recommend routine liver tests if you consume more than 100 mg per day. The patient in this case was consuming roughly 160 to 200 mg (40-50 mg per drink) every day over a three-week period.

Not the First Time

In 2011, a 22-year-old woman who was consuming 10 cans of an energy drink daily was the first documented case of acute hepatitis caused by too many energy drinks. Doctors in that case also suspected niacin as the culprit.

Herbal supplements and energy drinks are ubiquitous on store shelves and checkout counters today. The estimated number of dietary supplements available to consumers ballooned from 4,000 in 1994 to some 55,000 by 2012. It’s estimated that 23,000 emergency room visits each year in the U.S. are related to misusing dietary supplements — primarily weight-loss remedies and herbal energy products.

Doctors aren’t absolutely certain if niacin bore all the blame for the construction worker’s liver woes, as other ingredients in energy drinks might interact in unexpected ways. However, they say this second instance serves to bring more attention to an often unrecognized phenomenon.

If you're traveling to distant planets anytime soon, you might think twice about raising a ruckus: The inhabitants likely weigh an average of 650 pounds, a cosmologist says.

Apparently it all comes down to planet size and the conservation of 

energy, CNET reports. "Throughout the animal kingdom, species which are physically larger invariably possess a lower population density, possibly due to their enhanced energy demands," says Fergus Simpson of the University of Barcelona.

That's quite true on Earth, where we have seven billion (relatively big) people, and, the BBC noted last year, up to 100 trillion (tiny) ants.

Which brings us to outer space, where, Simpson says, "most inhabited planets are likely to be closer in size to Mars than the Earth." And "since population density is widely observed to decline with increasing body mass, we conclude that most intelligent species are expected to exceed 300kg (660lbs)," he adds.

A scientist in Scotland says Simpson's "average size calculation is reasonable," but doesn't account for gravitational pull—and planets with stronger gravity would probably have smaller animals, .

SETI Institute researcher Seth Shostak says Simpson's paper, published at arXiv.org, also leaves out evolutionary theory: With humans, for example, it's our ability to walk upright and use opposable thumbs that gave us the upper hand on Earth.

"Polar bears are large but do not write great literature and build radio towers," he says, "and a lot of that is probably because they are walking around on all fours." 

There are some things hiding in Apple’s new iOS 10 software that iPhone and iPad users still don’t have access to. That’s right, dark mode, we’re looking at you. The much-sought-after dark user interface mode that was found buried in the code from Apple’s first iOS 10 beta back in June still hasn’t managed to see the light of day. Who knows when we might finally see dark mode make its way to iPhones and iPads around the world? In the meantime, though, there are plenty of other features hiding in iOS 10 that users actually have access to, and learning about them will help you get the most out of your iPhone or iPad.

We already showed you dozens of secret features in Apple’s various iOS 10 apps, and now we’re back with a new list of hidden gestures that are going to change the way you use your iOS device.

MUST SEE: 7 ways Apple’s iPhone 7 is much better than any Samsung phone

1. Let there be light

Everyone knows about the flashlight button on the first Control Center panel in iOS. Swipe up from the bottom of the screen, tap the flashlight button, and your rear LED flash turns on to illuminate everything around you. But beginning with iOS 10, there’s a sweet new flashlight feature available. Press and hold firmly on the flashlight button to open a 3D Touch Action Menu that will let you choose low light, medium light or bright light.

2. See recently closed tabs

You know that tapping the tabs icon in the lower-right corner of Safari shows you all of your open tabs. You know that tapping the plus icon on the tabs view will open a new tab. But did you know that if you tap and hold that plus icon, you’ll see a list of all your recently closed tabs?

3. Bring back the address bar

When you visit a web page in Safari and begin to scroll, the address bar/toolbar disappears so that the webpage can occupy more of the screen. But you don’t have to swipe back down to make it reappear — just tap near the bottom of the display.

4. Move calendar events

This is a cool one: If you have an entry in your calendar and the time has changed, you don’t have to jump through all those hoops to reschedule it. In the single-day view, simply tap and hold on the event and you can drag it to the proper time. Just don’t press too hard or you’ll trigger a Peek or a Pop.

5. Hidden back button in Calculator

Don’t clear your entire entry just because you accidentally typed “58009” instead of “58008.” Simply swipe to the right on the numbers in the virtual calculator window and you’ll be able to delete them one at a time.

6. Zoom in on videos

Pinch-to-zoom on photos is a gesture everyone knows about, but did you know that you can now use the same gesture to zoom in and out on videos? Now you do.

7. Select multiple photos

Want to delete the 47 bad selfies you just took before you finally got the perfect shot? You don’t have to keep tapping away. With the thumbnails view open in the Photos app, tap the select button in the top right corner. Then tap on the first image you’d like to select and slide your finger around the screen — you’ll select every photo you touch along the way.

8. Move to the top or bottom of an album

You have about a billion photos on your iPhone and navigating through them can be a chore. On any photo album screen, you can tap the time at the top of the display to zip to the top. Everyone knows that shortcut … but you can also tap the Photos icon at the bottom of the screen to zip to the bottom of the album.

9. Quickly save an email draft

You’re in the middle of tapping out an email when a new message comes in that you need to check out. Don’t worry, saving a draft cannot be done with one single gesture. Just swipe down on the screen beginning at the top of the email screen and your draft will be saved while you navigate elsewhere in the email app.

10. See all your email drafts

Did you get carried away with the tip above and now you’ve lost count of all your drafts? Don’t forget to send those important emails: Just tap and hold on the compose button in the bottom-right corner and a list of all your drafts will pop up.

It’s called the “Dragon Hole,” and Chinese scientists believe it may be the deepest “blue hole” on the planet. 

China’s state-run Xinhua news agency says the Dragon Hole is 987 feet deep ― or more than 300 feet deeper than Dean’s Blue Hole in the Bahamas.

Blue holes are essentially giant pits in the sea that can plunge hundreds of feet, and are known for the distinctive blue colors visible from above that give them the name. 

Dragon Hole is located in the Paracel Islands, also known as Xisha in Chinese, a disputed island group in the South China Sea claimed by China, Taiwan and Vietnam. 

Although scientists only just determined its depth, the blue hole has been known for centuries. 

Local fisherman say it’s where the Monkey King found his golden cudgel in the 16th-century Chinese novel “Journey to the West,” according to the Washington Post.

While the hole played a key role in folklore, it may also play an even more important one in science.

“Research into a blue hole can provide detailed records of how the climate or water level changes over tens of thousands of years,” Prof. Yang Zuosheng with Ocean University of China told CCTV. “Once we have that data, we can deduct the patten of evolution for climate change in the South China Sea, including its ecosystem, hydrological system, and its landform.” 

The Sansha Ship Course Research Institute for Coral Protection told Xinhua that they’ve already found 20 species of fish in the hole, although they are concentrated in the upper portion as there is no oxygen below about 330 feet. 

They explored the hole using a robot with a depth sensor.  

The Dragon Hole has been given the formal name Sansha Yongle Blue Hole, and local officials say they plan to protect it.

“We will strive to protect the natural legacy left by the Earth,” Xu Zhifei, vice mayor of Sansha City, told Xinhua.

The claim over its depth still needs to be independently verified. However, one expert said it’s quite likely there are even deeper holes ― they just haven’t been found yet. 

“All the ones we study offshore in Florida you can’t see from the surface,” Jim Culter, senior scientist at the Mote Marine Laboratory and Aquarium in Sarasota, told the Christian Science Monitor.

Smartphones might as well be called something else now, because they're arguably seldom used as phones at all anymore. Rather, they exist as these powerful, little computers in our pockets. We can text, browse the Internet, stalk our crushes, play games, and even shoot respectable videos on these devices. But in order to perform these wonderful tasks, we need to have enough power. After all, we don't want to run out of juice in the middle of a conference call or while bidding on that sweet Nickelback shot glass on eBay. With that in mind, we've got a handy list of things that are draining your phone of that precious power.

We've all been there: we're stuck in a waiting room at the doctor's, a repair shop, or maybe even the DMV, so we whip out our phones and play Candy Crush or Clash of Clans to pass the time. Matching three pieces of candy and conquering our friends (and gloating afterwards), might be a short-term solution for boredom, but these apps place a heavy load on our batteries with their online connectivity and flashy graphics. If you want to conserve your phone's power, you're going to want to keep the gaming to a minimum.

You'd be hard-pressed to find a lot of people who don't constantly glance at Facebook on their phones throughout the day. Social media is great for keeping in touch, seeing what your friends are doing, and getting annoying game requests from a distant relative. But keeping a vigilant eye over your Facebook app is a surefire way to get you down to 20 percent battery life by around noon.

Nowadays, there are phones with gigantic screens that provide great real estate for watching HD movies or playing console-quality games. Though it's important to see what you're doing, you might not be aware of the fact that keeping your screen's brightness all the way up is killing your battery. Unless you're trying to get a tan from all of that illumination, help conserve power and dimming the screen a bit. And quit using the screen as a flashlight. They have apps for that now.

Bluetooth accessories are nifty gadgets that can help us be more productive during the day and provide a bit of a convenience as well. Whether you're syncing a wireless headset or a portable speaker, hooking up a device via Bluetooth is easy and quick. But if you're not going to be using it, you might as well disable Bluetooth. It might not be the worst when it comes to draining your power, but constantly having it enabled and not using it is just a waste.

Some of us would literally be lost without our GPS or location-based services enabled. After all, it's almost a routine for people to check into places like restaurants, concert venues, and more on social media, and GPS helps us get there. But if you've got it on all of the time, you might not have enough battery power left to help you finish a trip. Thankfully, some map services, like Google Maps, allow you to download maps for offline use, which will help you conserve your data as well.

Life needs a soundtrack and we all turn to services like Pandora, Rhapsody, and more to help color our days with song. Unfortunately, one of the most popular of these services, Spotify, also happens to be one of the biggest battery killers. That 11-hour, post-break up playlist you made full of Dashboard Confessional, The Get Up Kids, and Jimmy Eat World? Yeah, it won't last three hours if you keep it going. Time to break up with your music app, at least for a little while.

We know what you're doing when you hold up your phone and pull a weird face before typing about how much Monday is bringing you down. Chances are that you're on Snapchat and you're trying to build up a great story so that all of your BBFs get jealous of your amazing life. Well, tone down on the geofilters and the rainbow puking, otherwise you're going to find yourself with a dead battery in a hurry. Not only does it take up energy by using the camera, but it's also got location-based services enabled while you're using it.

Facebook Messenger is one of the most popular communication apps around and helps us fulfill our need to send poop emojis and GIFs of Drake doing the "Hotline Bling" dance to each other. Because of this, it's one of the most-used apps, and also one of the biggest battery hogs. Try to fight the impulse to send Business Fish stickers to your buddies and your phone will live to see the end of the day.

Netflix offers HD video quality over WiFi, entire seasons of gripping television shows like House of Cards or Marvel's Jessica Jones. This handy video-streaming service gives us the ability to veg out in front of a screen anywhere we are, helping us forget about the drudgery of life for a bit. What it doesn't do, however, is replenish the power in your battery. In fact, it does the opposite, thanks to that HD playback and data usage bit. Netflix and chill on a TV, not on your phone.

Facebook is the principal digital public square of today. Well, it's the principal digital public square for those of a certain age (i.e. post-college, the young'ns aren't into it). But Zuck & Co's site is still an extremely integral virtual venue and will continue to be for some time.

While Facebook's business model has evolved away from just Facebook.com to include its mobile incarnation and other associated apps, the old familiar website is still the preferred venue for many. And why not? Facebook.com one of the most advanced public-facing websites out there.

READ: 19 Cool Tricks and Hidden Gems Inside Facebook Messenger

Facebook is a magnet for some of the top engineering talent in the world, so it stands to reason that the company would boast one of the world's most complex and multi-faceted websites. It rivals many standalone software apps with the sheer amount of personalization, tweaks, and tinkering available to visitors.

In fact, there are so many things you can do on Facebook.com that you probably don't know about them all.

And we're not even talking about the third-party Facebook apps or browser add-ons, we're talking about all the official, baked-in, easily accessible functions that are just a few clicks away. As you'll see in our slideshow, there are even some functions that appear to be leftovers from bygone eras that we're not even sure Facebook still knows are there. Take a look and awaken your inner power user social super star.

Ten years ago Facebook was just cresting as the cool new social media site that helped you keep in touch with the people you didn’t actually like in high school. We fed it our thoughts and feelings, shared our meals and locations and our top ten movie lists, kept it up-to-date on our relationship status, political views, favorite links, and personal information — all in the name of staying connected, and all without a thought to our security. But with a decade of questions regarding how Facebook makes money now answered, and a general understanding of how sharing information online can be dangerous (while the platform constantly updates its security protocol), we continue to use it anyway, even though many of us are just checking in as ritual and have threatened our exit from Facebook for years.

Of course, screen time in moderation is, for the most part, perfectly acceptable, and social media can offer a few genuinely beneficial uses. But before you log in or tap that app on your smartphone again, here are a few reasons to quit Facebook in 2015.

It Wastes Your TimeIt's estimated that the average casual user (17 minutes per day on Facebook) who has been active on the site for 10 years has wasted upwards of 40 entire days of their lives scrolling and liking and commenting on pictures and posts. And more engaged users, who spend at least an hour a day on the site, have clocked 150 days feeding the Facebook beast during the same time. Think about how long you spend on the site each day, and what else could be a more productive use of your time. 

Facebook Uses You to Sell Stuff...

In 2012, the site manipulated posts from 689,000 accounts without consent in an experiment that examined whether or not it could affect your emotions by making a few edits on your page. The study was done, according to Facebook, to "improve our services and to make the content people see on Facebook as relevant and engaging as possible." Skeptics think it was really used to discover the monetary benefit of a Like. COO Sheryl Sandberg later apologized, adding that they "never meant to upset you."

And Targets You with AdvertisementsOne time you wanted to buy a thing, and then you searched for that thing, and six months later Facebook is still reminding you that you should think about buying that thing, even if you already bought the thing. Yes, most sites do this thanks to embedded cookies, but only Facebook seamlessly posts these ads in your timeline with enough regularity that you can only assume your friend has an odd obsession with the latest Norelco razor. 

RELATED: The Gear of the Year: 2015's 52 Best Products

It's Bad for Your HealthFacebook isn't just a harmless website dedicated to cataloging your vacations, poor wardrobe choices, and myopic thoughts on sporting events (which can both define or destroy relationships), it can actually do you harm. Studies hint that it can impact your immune system and inhibit the release of growth hormones, impair digestion and vision, limit thinking and kill creativity, and affect sleep patterns and happiness.

"Who Are These People, Anyway?"The average adult has 338 friends on Facebook and probably doesn't know more than 10 percent of them anymore, or at all. Many of them likely have new lives, some have new last names, new passions, new facial hair, and new humans they're now responsible for keeping alive (read: babies). These are not the friends you knew, and semi-casually keeping up with them is a waste of time that could be better spent with new, real friends. Or on Twitter.

"But I Don't Care About Privacy"Fair. That's your right. But the problem is that we're setting precedent for the future without yet understanding how it will affect the free and open Web, and simultaneously creating an internet that relies on you having a Facebook account to access sites that are not Facebook. As one of nearly 1.2 billion users to date, odds are decent that your account won't be hacked by someone with ill-will toward your family. That doesn't mean that permitting easy access to your information goes without consequence, both immediately and decades from now.

Nothing You Post Actually MattersVery few people care what you're doing, whom you're with, where you're eating, or what you just bought, and the people who do were probably right next to you when you did it. We all saw that funny Ice Bucket Challenge video, and if we didn’t see it, it's fine. We're all fine. You'll sleep well without knowing which childhood toys you owned are now worth a fortune, and you will absolutely "believe what happened next" on Upworthy, because someone took time to write about it. These articles only exist because you share them on Facebook, and you only share them because they exist. So, instead, just invite a friend over to talk about how much you both loved Save By the Bell. The internet can only take so much nostalgia.