Vanessa Hill of BrainCraft shares her science YouTube story with Hank and reveals a big announcement! Jessi from Animal Wonders and a special Australian friend or two join in the second half.

Ever wonder what it'd be like to have a whale as a house? Wonder no more after you watch this episode of SciShow!

COVID-19 has the potential to ebb and flow with the seasons, but because it's a novel pandemic, that doesn't mean we're off the hook this summer.

Hank shares the latest exciting findings from the Mars Science Laboratory, known to its friends as Curiosity. Learn what Curiosity has discovered about the giant Gale Crater, and what those developments mean for the prospects of ancient...

Nobody really knows how much it would cost to avoid the worst impacts of climate change. Yet historian Yuval Noah Harari's analysis, based on the work of scientists and economists, indicates that humanity might avert catastrophe by...

After fighting overseas, 92 percent of American veterans say they want to continue their service. Meanwhile, one after another, natural disasters continue to wreak havoc worldwide. What do these two challenges have in common? In telling...

The Planetary Protection Office is hiring and we've found a much easier way to study neutrinos.

A summertime look at why we sweat, why we burn, and why our fingers wrinkle in the pool

There's been an explosion of collaborative consumption -- web-powered sharing of cars, apartments, skills. Rachel Botsman explores the currency that makes systems like Airbnb and Taskrabbit work: trust, influence, and what she calls...

For sculptor Jason deCaires Taylor, the ocean is more than a muse -- it's an exhibition space and museum. Taylor creates sculptures of human forms and mundane life on land and sinks them to the ocean floor, where they are subsumed by the...

From problems with the moon, to the lumpiness of earth, sea levels aren't quite as exact as we have them figured out to be.

Would you negotiate with someone you knew to be evil, to save lives? Samantha Power tells a story of a complicated hero, Sergio Vieira de Mello. This UN diplomat walked a thin moral line, negotiating with the world's worst dictators to...

The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they've found is amazing: hidden under the ice sheet is a vast aquifer that holds...

All over the world, giant wave breaks appear because of underwater geology that supercharges their wave energy.

Pipes can freeze in the winter, but you never hear about fire hydrants freezing. What makes them safe from the cold temperatures in winter time?

Though people are most familiar with Plato's fictional Atlantis, many real underwater cities actually exist. Peter Campbell explains how sunken cities are studied by scientists to help us understand the lives of our ancestors, the...

The IPCC has released a special report assessing how the world’s ice and oceans are faring under our changing climate, and scientists may be one step closer to a cure for the common cold!

Melinda Gates makes a provocative case: What can nonprofits learn from mega-corporations like Coca-Cola, whose global network of marketers and distributors ensures that every remote village wants -- and can get -- an ice-cold Coke? Maybe...

Combining dry wit with artistic depth, Billy Collins shares a project in which several of his poems were turned into delightful animated films in a collaboration with Sundance Channel. Five of them are included in this wonderfully...

Cave diver Jill Heinerth explores the hidden underground waterways coursing through our planet. Working with biologists, climatologists and archaeologists, Heinerth unravels the mysteries of the life-forms that inhabit some of the...

We don't think of rivers and lakes as something that are greatly affected by fires, but it turns out these disasters can have a big effect on the acquatic wildlife that calls these places home.

Earth's thick crust might one of the reasons our planet can support life. But scientists are looking for something a little more brittle.

Every spring, around 20% of the population enters the season of sniffles, and some years are worse than others. But lately, there just don’t seem to be any better years because the different effects of climate change seem to be working...

According to the UN, people living in urban places now outnumber those in rural areas — which is a pretty new phenomenon for many parts of the world. So today, we’re going to discuss factors that have led to this shift in populations...