15 Things You Probably Didn't Know About Blood

Does menstrual blood really attract bears? Why does blood look blue in your veins? And why were the first blood transfusions performed with animals? Here are 15 facts, historical and biological, you probably didn't know about blood. » 2/12/15 10:07am 2/12/15 10:07am

This Is What a Blood Clot Looks Like Close-Up

This image looks like it could the a colorful underwater coral reef or a child's breakfast cereal strewn across the floor. But it is, in fact, what a blood clot looks like if you zoom right in. » 1/27/15 4:00am 1/27/15 4:00am

The FDA Blew Its Chance to End the Ridiculous Ban on Gay Blood Donation

So much for ending government-mandated discrimination. The FDA today eased restrictions on blood donation for gay and bisexual men—but only if they haven't had any sex in the past year. Good try, FDA, but this is still messed up. » 12/23/14 3:30pm 12/23/14 3:30pm

Video: All 212,470 on-screen deaths in the Lord of the Rings trilogy

It's been over a decade since the Lord of the Rings trilogy wrapped up and we're still totaling the body count. After all those sweeping battles and that epically long journey, Digg Video tallied up the death toll and it's an insane 212,470. I guess those movies were pretty long, right? » 12/10/14 7:01pm 12/10/14 7:01pm

Inside the Blood Factory That Keeps Track of the World's Rare Donors

When most of us think of "rare blood," we think of AB-positive or O-negative. But it turns out there are far, far rarer types than that. In Filton, England, there's a lab that handles blood donations from across the UK—and identifies this super-rare blood. » 11/18/14 9:10am 11/18/14 9:10am

​Five Native American Traditions That Will Take Anyone Closer To Nature

Want to see more animals, move quietly through the woods or just feel a stronger connection with the world around you? Here's five traditions passed down to us by our First Nations, all capable of doing just that, occasionally in surprisingly powerful ways. » 10/31/14 1:30pm 10/31/14 1:30pm

How Many Undiscovered Blood Groups Are There?

You may think that you know your blood type, but did you know that there are in fact 35 blood group systems in humans? These include well-known systems such as ABO and the Rh system (formerly known as 'Rhesus'). » 10/23/14 5:15am 10/23/14 5:15am

Inside the Science of Sharing Rare Blood

His doctor drove him over the border. It was quicker that way: if the man donated in Switzerland, his blood would be delayed while paperwork was filled out and authorisations sought. » 10/21/14 5:15am 10/21/14 5:15am

Alzheimer's Patients Will Be Injected With the Blood of Young People

It's not often that science confirms ideas straight out of vampire lore, but here you have one: a spate of studies in mice have found that infusions of young blood seem to reverse aging. So now we're moving to the next logical step: giving the blood of young humans to Alzheimer's patients. » 8/20/14 3:47pm 8/20/14 3:47pm

Every death scene from Quentin Tarantino's movies

Few people make killing people look as entertainingly graphic and creatively brutal as Quentin Tarantino does in his movies. All of his films, from Reservoir Dogs to Django, are notorious for violent deaths that sometimes number in the hundreds. Watch them all in this supercut by Jaume R. Lloret. » 8/18/14 9:32pm 8/18/14 9:32pm

The Palestine conflict history explained in one absurd animation

This animated short by Nina Paley—in the tradition of the best Monty Python music skits—might not be an orthodox history lesson, but it's an accurate depiction of the horrible 6,000-year bloodshed in the region of Palestine, with dozens of tribes and nations fighting each other to claim ownership of that land. » 8/07/14 9:13am 8/07/14 9:13am

All Blood Donation Centers Should Be This Shade of Red

Every once in a while form meets function in such a wonderful way that an architectural pun is born. It's hard to find a better example than the Blood Center in Raciborz, Poland. Let's just say they don't have to worry about a spill staining the carpet. » 7/29/14 12:13pm 7/29/14 12:13pm

How One Man's Blood Donations Saved Over Two Million Lives

Today I found out about a man who saved over two million lives just by donating his somewhat unique blood plasma. » 7/22/14 9:55am 7/22/14 9:55am

A Simple Blood Test Could Predict the Onset of Alzheimer's

Scientists have developed a new blood test that can predict who will develop Alzheimer's disease a year after having mild memory problems—and it could be in clinical use within two years. » 7/08/14 5:03am 7/08/14 5:03am

Could You Get Drunk By Drinking a Drunk Person's Blood?

The average adult contains about 5 liters of blood. The average drunk contains lots of alcohol. So could you, in theory, have a cheap—if messy—night out by turning vampiric for the evening? » 5/29/14 6:20am 5/29/14 6:20am

Life-Saving App Knows How Much Blood You Lost Just Looking At a Sponge

During a surgery, doctors and surgeons use a measurement called EBL—or estimated blood loss—to determine how much blood a patient has lost, and how much needs to be returned via a transfusion. Unfortunately it's really just an educated guess, until Gauss Surgical's new Triton Fluid Management System makes its way into… » 5/27/14 9:20am 5/27/14 9:20am

A Blood Donation Poster That Helps Save Lives and Charges Your Phone

The simple act of donating blood could actually help save someone's life one day. And to help drive that point home, ad agencies Publicis Sao Paulo and Fundação Pró-Sangue in Brazil created a poster with a built-in charging cable that also helps save a dying smartphone. » 5/15/14 9:40am 5/15/14 9:40am

Why Can’t You Receive Blood from Someone With a Different Blood Type?

Hot, cold or just plain bad, throughout history, people have used blood as a metaphor to describe their changing moods. One aspect of blood, however, is immutable – its type. Since each blood type carries unique characteristics that can wreak havoc in the wrong body, it is vitally important to know yours and its… » 5/15/14 7:30am 5/15/14 7:30am

These shops sell Walking Dead merchandise in exchange for your blood

Working with blood banks in the US as well as countries in South America and Europe, a series of official Walking Dead pop-up stores will offer merchandise in exchange for donations of the red stuff. The more blood you give them to chill, the better the goodies you will be able to walk out with. » 5/05/14 6:44am 5/05/14 6:44am