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The Science of Kissing
When you really think about it, kissing is an odd human behavior. You know, all the rubbing of our faces all over each other. So there must be a good reason why we do it, right? From motherly comforts to testing the genetic compatibility...
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Amazing Animal Superpowers
Evolution has come up with some pretty amazing ways to get things done when it comes to animals, plants and microbes. From radiation-resistant bacteria (like Dr. Manhattan) to geckos who climb glass using atomic adhesion (like Spider...
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How Baby Sea Turtles Find Their Way Home
Find out how baby sea turtles find their way home after hatching!
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Why Do We Itch?
It's one of the most annoying sensations our bodies can feel, but does anything feel better than when you scratch an itch? Ok, maybe *some* things. But itching and scratching are up there. How does this weird sensation work? And what is...
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It's Okay to Fart
Farting is hilarious and gross and everyone is doing it so why can't we talk about the science of it?! Flatulence, passing gas, cutting the cheese, toots.... whatever you call it, it's natural and here's how it works.
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Does Evolution Have a Point? 12 Days of Evolution #12
Some of the biggest evolution questions finally answered.
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Evolution: The Book Of Life
My friend Eric Schulze, awesome science guy and leader of Thirst DC helps me understand how genes and DNA write the book of life, and how reading that book has helped us learn that everything on Earth is descended from a common ancestor....
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Do Animals Mourn Their Dead?
Joe brings in a few friends to look at death in the animal kingdom.
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Why Do We Go to Space?
Why do we go to space? In the beginning of our space program, the answer had a lot to do with war and paranoia. But with the dawn of the space shuttle, that all changed. Where do we go from here?
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How Fire Ants Took Over America 🔥🔥🔥🔥🔥
How Fire Ants Took Over America Fire ants are several species of ants in the genus Solenopsis, which includes over 200 species. Solenopsis are stinging ants, and most of their common names reflect this, for example, ginger ants and...
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The Deadpool Salamander That Can Regrow Limbs
Axolotls are special salamanders. Not only to they stay in their juvenile form their whole lives, they can regenerate entire limbs! Studying how they do it could change the way we treat human limb injuries.
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So You Want to go to Mars?
Can't wait to get into outer space? Well there's a bit you need to know first... Spending time in zero gravity can have some pretty extreme effects on the human body. Still scientists are already making plans for long trips to other...
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Your Climate Conscience - feat. Al Gore
News about climate change is often full of doom, guilt, and anxiety. This can make many people reluctant to pay attention to or discuss it. We asked former Vice President Al Gore to help us find a different way to talk about climate change.
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How the Toilet Changed History
It may sometimes seem like things are getting worse, but there's lots of reasons to be optimistic about the future. More people have access to toilets and sanitation than ever before. Thanks to public health improvements like this, since...
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The Odds of Finding Life and Love
Love is a complicated combination of brain chemicals and behavior that scientists are only just beginning to figure out. And it's remarkable that in every society that we have looked at on Earth, romantic love exists. So if love is so...
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What's the Deadliest Animal in the World?
The world's deadliest animal may be closer than you think.
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Will You Still Eat Raw Fish After Watching This Video?
Have you ever noticed that warning about raw or undercooked seafood at the bottom of restaurant menus? Ever wondered why it's there? Because fish carry a ton of parasites, and if they aren't prepared correctly then those parasites can...
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Is Ultron Inevitable?
Will artificial intelligence ever surpass human intelligence? And if that happens, will AI be good or bad? Is evil AI like we see in Avengers: Age of Ultron inevitable?
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Does My Dog Know What I'm Thinking?
Do you ever talk to your dog? Do they ever talk back? Humans and dogs have a truly amazing relationship, developed along an evolutionary journey that goes back nearly 10,000 years. Do they really understand what we say, think, and feel?...
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Nature's Living Fireworks
Nearly all life on Earth is ultimately powered by light. But many creatures have learned how to make their own. This week we investigate the beautiful phenomenon of bioluminescence. From blinking fireflies on summer nights to glowing...