Of all the weird animals that exist in the world, platypuses are up there with the weirdest, and last year scientists discovered something even more peculiar about their fur: it glows! What may be even more strange, though, is how little...

Viruses are among humanity's greatest threats and it seems like they're always one step ahead of us. But this week, biologists say that they've discovered a new weapon we can use against some of our most nefarious virus enemies - and it...

Does it seem like Washington has no new ideas? Instead of looking to build the future, it sometimes feels like the US political establishment happily retreats into fear and willful ignorance. Journalist David Rothkopf lays out a few of...

We're not going to end violence by telling people that it's morally wrong, says Jamila Raqib, executive director of the Albert einstein Institution. Instead, we must find alternative ways to conduct conflict that are equally powerful and...

Could we one day live on Mars? Reid Reimers explains Mars One could help colonize the red planet.

When you look at Muslim scholar Dalia Mogahed, what do you see: A woman of faith? A scholar, a mom, a sister? Or an oppressed, brainwashed, potential terrorist? In this personal, powerful talk, Mogahed asks us, in this polarizing time,...

Hank tells us about the Kepler Space Telescope and its new data!

Different hospitals produce different results on different procedures. Only, patients don’t know that data, making choosing a surgeon a high-stakes guessing game. Stefan Larsson looks at what happens when doctors measure and share their...

Whether you get it from standing on the top of Mount Everest or watching a video about the size of the universe on SciShow Space, awe can be a powerful, transformative emotion.

In war we often see only the frontline stories of soldiers and combat. AT TEDGlobal 2010, Zainab Salbi tells powerful "backline" stories of women who keep everyday life going during conflicts, and calls for women to have a place at the...

Different dogs look incredibly different - but that doesn't mean they are necessarily more diverse.

Investing in women can unlock infinite potential around the globe. But how can women walk the line between Western-style empowerment and traditional culture? Kavita Ramdas of the Global Fund for Women talks about three encounters with...

Aliens - Are We Looking in the Wrong Place?

Dean Ornish shares new research that shows how adopting healthy lifestyle habits can affect a person at a genetic level. For instance, he says, when you live healthier, eat better, exercise, and love more, your brain cells actually...

Dean Ornish talks about simple, low-tech and low-cost ways to take advantage of the body's natural desire to heal itself.

In 2011, the US Armed Forces still had a ban on women in combat -- but in that year, a Special Operations team of women was sent to Afghanistan to serve on the front lines, to build rapport with locals and try to help bring an end to the...

If you’re raised on dogma and hate, can you choose a different path? Zak Ebrahim was just seven years old when his father helped plan the 1993 World Trade Center bombing. His story is shocking, powerful and, ultimately, inspiring.

As we react to the predictions that epidemiological models make, changing the ways we act and go about our lives, those estimates can appear totally off. But if a model’s predictions end up being wrong, that might mean it's done exactly...

One moment, you're fine. The next, moment it seems like your nose is recreating a scene from The Shining. Why do we get nosebleeds?

We may think of a lot of critters with crab-like body plans as crabs, but, technically, many of them are other types of crustaceans. So why do they share so many physical traits?

The history books are full of mysteries, some of which we're just now getting around to solving.

Are parrots just good at imitating sounds or is there something else that separates them from other birds?

Although we've spent a lot of time in this series looking at human-made organic chemicals, the term "organic chemistry" was originally used to describe molecules isolated from living things. In this episode of Crash Course Organic...

Think capitalism is broken? Try cooperativism, says co-op enthusiast and researcher Anu Puusa. She lays out how cooperatives -- businesses owned, operated and controlled by their members -- can both make money and have a positive...