The man who helped usher in the environmental movement in the 1960s and '70s has been rethinking his positions on cities, nuclear power, genetic modification and geo-engineering. This talk at the US State Department is a foretaste of his...

Jamila Gordon believes in the power of human connection -- and artificial intelligence -- to help people who might otherwise be left behind. Telling the story of her own path from refugee to global tech executive, she shows how AI is...

Hank loves science because it helps us appreciate the world more, but not everything that science does makes him happy - reports of poison fog on the West coast of the United States; dramatic decreases in sperm counts; and a lack of...

"Music is so much more than sound simply traveling through the ear," says sign language interpreter Amber Galloway-Gallego. In a spirited performance, musician and activist Madame Gandhi plays two songs -- "Top Knot Turn Up" and "Bad...

Nathan Myhrvold talks about a few of his latest fascinations -- animal photography, archeology, BBQ and generally being an eccentric genius multimillionaire. Listen for wild stories from the (somewhat raunchy) edge of the animal world.

Economics writer Tim Harford studies complex systems -- and finds a surprising link among the successful ones: they were built through trial and error. In this sparkling talk from TEDGlobal 2011, he asks us to embrace our randomness and...

A woman in sub-Saharan Africa is part of a cutting-edge HIV clinical trial -- but she can't afford a bus ticket to her health clinic, let alone the life-saving antiretrovirals she'll need. Boghuma Kabisen Titanji asks an important...

We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started:

- Milky Way: Earth's home g
alaxy
- The Malaspina Expedition 2010: A...

Scientific discovery often dabbles in the extreme, challenging and exceeding what we think of as "possible." And this year's discoveries were no different! We present to you three scientific discoveries made this year that set out to...

From changing diapers to cleaning up vomit, human parents can have it tough, but at least they don't have to incubate their babies under their skin or liquify their own guts to feed their brood like these animal moms do! In honor of...

If you’re getting restless from social distancing and wishing you could do more to help fight the global pandemic, here are some ways that you can help scientists fight COVID-19—all from the comfort of your home.

Beauty is about more than the body you inhabit -- it's a way of being that goes beyond genetics or societal ideals. Aboriginal writer and former model Sasha Sarago invites you to decolonize beauty, moving away from the monolithic...

Having feelings isn't a sign of weakness -- they mean we're human, says producer and activist Nikki Webber Allen. Even after being diagnosed with anxiety and depression, Webber Allen felt too ashamed to tell anybody, keeping her...

Five billion people can't use the internet. Aleph Molinari empowers digitally excluded people, by giving them access to computers and sharing the know-how to use them.

SciShow News give you the facts about ebola, one of the world’s deadliest diseases that’s making a stand in West Africa.

For most humans, farts are a welcome relief, an embarrassing incident, or an opportunity for a gas-based gag. But for many other creatures, farts are no laughing matter. Deep in the bowels of the animal kingdom, farts can serve as tools...