Ever wondered why nuclear power plant cooling towers or salt storage domes are the shape they are? SciShow has the answers! Hosted by: Niba @NotesbyNiba (she/her)

The most common substance in the world is literally IN the world. It's a mineral called bridgmanite, and it belongs to a class of minerals (called perovskites) that scientists are trying to use in the next generation of solar panels....

Back in the Victorian Era, Englanders thought that the famous Roman Baths were so healing because there was radium in the water. And there was, but that wasn't the real secret. Turns out that the baths are teeming with microbes that...

Polymetallic nodules, found at the bottom of the Pacific Ocean's Clarion-Clipperton Zone, have enough metals to secure the future of green energy. But is it worth the cost? Hosted by: Savannah Geary (they/them)

You've probably heard that climate change is leading to rising sea levels, which is bad news for lots of islands. But for some islands like the Maldives, rising waters are making them... bigger? Correction: We mixed up east and west!...

"Water, water, every where"...or so that one poem goes. And it's kinda right, because there's way more water INSIDE the Earth than on the surface. But scientists still don't know with certainty exactly how Earth got all of that H2O....

Coral reefs are fighting for their very survival these days, and scientists are looking for ways to help—including testing underwater AC systems, and 3D printing what one might describe as artificial coral cyborgs. Hosted by: Savannah...

From the Great Pyramid at Giza, to one-quarter of the Netherlands, to continent-spanning electrical grids, humans are great at making really BIG things. Hosted by: @NotesByNiba (she/her)

Dams are great for humans, providing hydroelectricity and flood control. They're also horrible for the rivers they block. Here are three success stories of ecosystems that bounced back after a dam was removed. Hosted by: Savannah Geary...

One of game theory's most famous quandaries is the Tragedy of the Commons. But, through her years of research, Nobel Prize winner, Elinor Ostrom, showed us that we're not doomed to tragedy after all. Hosted by: Stefan Chin (he/him)

China's Zhangye Danxia National Geopark is home to strikingly beautiful rainbow mountains -- yes, what you're seeing is real! But the secret to this amazing sight might be something incredibly humble: dirt. Hosted by: Stefan Chin (he/him)

This lake in Canada sports a stunning summer look - spots! And the weird geology and hydrology that makes these spots is definitely worth talking about. Plus, Spotted Lake may not be the only one of its kind, and might tell us more about...

The Chocolate Hills of Bohol, Philippines are so perfectly shaped that local legends say they were crafted by giants. Geologists can't agree exactly what happened, but the answer might be as simple as limestone, water, and wind. Hosted...

It's one of the great boomer vs. millennial debates: Do you have to sort your laundry? It's tedious to pull apart lights and darks, hot water and cold water, but thanks to advancements in science, that all may be a thing of the past....

Whether someone's running for President or to be on their school board, there's a lot that a politician has to do to try to sway voters. But did you know that what name they use is on that list? Research shows that whether you choose...

Accused of leaking state secrets, journalist Lei Cheng was imprisoned in China for more than three years, where she was detained in tight quarters and kept under constant supervision. “Freedom is wasted on the free,” she says, recounting...

Confidence doesn’t come before action — it comes from taking action, says business leader Kat Cole, who worked her way up from waitress to CEO of a global health company. She presents a simple yet powerful practice called the "hot shot...

Today's experts often overwhelm parents and guardians with alarming warnings of treacherous roads ahead for their children, sometimes turning dedication into anxiety and obsessiveness. Instead of chasing trends, psychiatrist Mathilde H....

Ending a marriage doesn’t have to mean ending a family, says communication expert Allison O'Brien, who navigated her own divorce without lawyers or mediators. She introduces a framework for ensuring a divorce remains peaceful, supports...

What happens when personal grief collides with your professional life? Drawing on her experience as the CEO of a crisis management firm and a hospice chaplain, Meredith Wilson Parfet breaks down the reality of grief — at work and beyond...

In the next decade, millions of manufacturing jobs will open up in the U.S. as workers retire. Meanwhile, the sector is also supposed to add more jobs with help from federal subsidies. But by some current estimates, only half of those...

As the average cost of college in the United States soars, more young people are being drawn to skilled trades. It’s part of a career rethink among members of Gen Z, who have been called the “toolbelt generation.” Special correspondent...

Political scientist Robert Putnam told Judy Woodruff that strengthening the country’s democracy would begin with grassroots efforts by people stepping up in their own communities. Those efforts will be her focus this year and she begins...

Math isn't just for "math kids" — it's for everyone, says learning expert Shalinee Sharma. She outlines four simple steps to transform your approach to math, creating an environment where any kid can develop a strong mathematical mind.