A New and Aggressive Strain of HIV Is Spreading Across West Africa

A New and Aggressive Strain of HIV Is Spreading Across West Africa

A newly discovered strain of HIV is spreading across West Africa. What’s worse is that it’s particularly aggressive—and causes significantly faster progression to AIDS than other strains.

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How Two Twins Were Born 87 Days Apart

How Two Twins Were Born 87 Days ApartToday I found out about Amy and Katie, the twins born 87 days apart. Maria Jones-Elliot of Waterford, Ireland, was just 23 weeks pregnant when she went into labour with her twins in 2012.

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Science Confirms That Old People Really Do Have a Smell

Science Confirms That Old People Really Do Have a Smell

Think back to when you were a child visiting your grandparent’s home. Do you recall a distinct scent when you walked through the door? Many people do and it turns out, it’s not just in your head.

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A Little Vitamin B Is All That Makes This Worm Glow Bright Green

A Little Vitamin B Is All That Makes This Worm Glow Bright Green

This might look like the result of some wild nuclear accident, but in fact this worm is perfectly healthy. It just happens to glow bright green when exposed to certain wavelengths of light.

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The Mysterious Tool-Making Culture Shared by Crows and Humans

The Mysterious Tool-Making Culture Shared by Crows and Humans

Many animal species use tools, from insects, elephants and sea urchins to apes, badgers and octopuses, but there are only two animals who make hooks to catch food: humans and crows. Why we both do this is a mystery — and unraveling it could explain the reasons why tool use evolved in the first place.

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Super-Bugs Inadvertently Created by Spacecraft Sterilization Protocols

Super-Bugs Inadvertently Created by Spacecraft Sterilization Protocols

The European Space Agency has been collecting examples of "spacecraft-associated biology" in a small collection housed at the Leibniz-Institut DSMZ in Brunswick, Germany. 298 strains of "extremotolerant" bacteria, isolated from spacecraft-assembly rooms because they managed to survive the incredible methods used to clean spacecraft, are now being studied for their biological insight. How on earth can they still be alive?

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How Long Does Your Heart Have to Stop For Before You Can’t Be Treated?

How Long Does Your Heart Have to Stop For Before You Can't Be Treated?

The question of how long someone’s heart would have to be stopped for before you can safely say that regardless of what you do, you’re not going to be able to revive them is avery tricky question. It’s not as simple as saying after 10 or even 20 minutes there’s no hope. For instance, there are countless people who have been subject to hypothermia, have their heart stopped for over 45 minutes, and still have been successfully revived. So many, in fact, that the current guideline set by the American Heart Association (AHA) is that you continue trying to revive the person until their core body temperature is above 95 degrees Fahrenheit- 95 degrees, because below that is the technical definition of hypothermia. The mantra in that situation is, "They’re not dead until they’re warm and dead."

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5 Creepy, Scary, Awesome Things You Never Knew About Blood

5 Creepy, Scary, Awesome Things You Never Knew About Blood

The internet has been beating us over the head with the fact it’s Halloween today, and that means lots of fake blood. But the real stuff coursing through your veins can be scary all on its own. Here are some of the weirdest and wildest things going on in the world of blood.

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How a Genome Hacker Made a Family Tree With 13 Million Branches

How a Genome Hacker Made a Family Tree With 13 Million Branches

What happens if you let a genome hacker—a kind of computer scientist-turned-biologist—loose on the world’s online genealogy sites? The world’s biggest family tree is what, which shows how over 13 million people are related.

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This Video Shows Just How Beautiful Mathematics Is

Betrand Russell once wrote that "[m]athematics, rightly viewed, possesses not only truth, but supreme beauty — a beauty cold and austere, without the gorgeous trappings of painting or music." In this video, Yann Pineill and Nicolas Lefaucheux prove him right.

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