Snow Dragon. Pure Imagination. Frozen Minotaur. These are the names Eddy Cartaya and his climbing partner Brent McGregor gave three glacier caves that they were the first to explore. As the Sandy Glacier slowly slides down Mount Hood in...

Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice hiding beneath its surface.

From mourning orcas to distressed elephants, biological anthropologist Barbara J. King has witnessed grief and love across the animal kingdom. In this eye-opening talk, she explains the evidence behind her belief that many animals...

Elementary particles are the smallest known building blocks in the universe-and the neutrino is one of the smallest of the small. These tiny neutrinos can tell us about the furthest reaches and most extreme environments of the universe...

Some paleontologists wonder how many species of dinosaurs are left for us to discover, and how many fossils of them are out there. Find out how long the experts think the world's supply of dinosaur fossils will last!

What happens when you set off a nuclear bomb in space? Turns out we have a pretty good idea, and it's not pretty. Learn about the science behind high-energy explosions in space.

Observing the effects of microbes using satellites can give us all sorts of useful information about life on Earth ... and other planets too.

SciShow gives you latest in science news, including what "unstoppable" melting in Antarctica really means, and how you can help scientists increase the awesome through the 2014 Longitude Prize.

When you work, you expect to be paid for it. Except, for millions of Americans employed across a range of industries like restaurants and construction, that's not always the case. Anthropologist Rebecca Galemba explores the...

Tennis legend Billie Jean King isn't just a pioneer of women's tennis -- she's a pioneer for women getting paid. In this freewheeling conversation, she talks about identity, the role of sports in social justice and the famous Battle of...

We all want to make the world better -- but how? Jamais Cascio looks at some specific tools and techniques that can make a difference. It's a fascinating talk that might just inspire you to act.

At TED2009, Tim Berners-Lee called for "raw data now" -- for governments, scientists and institutions to make their data openly available on the web. At TED University in 2010, he shows a few of the interesting results when the data gets...

Can we end hunger and poverty, halt climate change and achieve gender equality in the next 15 years? The governments of the world think we can. Meeting at the uN in September 2015, they agreed to a new set of Global Goals for the...

SciShow describes the fascinating science of Darwin's little darlings: meat-eating plants. Learn about their many different types, how they catch and eat their prey, and how scientists think they evolved.

SciShow News explains an ominous record that Homo sapiens just broke: the highest levels of carbon dioxide emissions, the leading factor in global warming. Hank explains what it means, and what we can do.

Since the 1960s, around 80% of bottom-dwelling species have disappeared from the deep waters of the North Atlantic, potentially all victims of a wrong-way migration phenomenon.

35,000 walruses all hanging out at the same beach in Alaska? Why? Does global warming have anything to do with it? And what have we learned after 20 years of studying the effects of marijuana? SciShow News explains.

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...

Viruses have a bad reputation -- but some of them could one day save your life, says biotech entrepreneur Alexander Belcredi. In this fascinating talk, he introduces us to phages, naturally-occurring viruses that hunt and kill harmful...

In this energizing talk, Amory Lovins lays out his simple plan for weaning the US off oil and revitalizing the economy.

The photo director for National Geographic, David Griffin knows the power of photography to connect us to our world. In a talk filled with glorious images, he talks about how we all use photos to tell our stories.

The Internet has transformed the front lines of war, and it's leaving governments behind. As security analyst Rodrigo Bijou shows, modern conflict is being waged online between non-state groups, activists and private corporations, and...

To fight climate change, we need to clean up the global electricity system by replacing fossil fuel power plants with clean generation -- right? Climate author Solomon Goldstein-Rose thinks we need to do much more than that. Replacement...

You may have read that 2018 is looking to be a bad year for earthquakes, but Hank is here to offer you some assurances.