What happens when the fish that sustain a community start disappearing? Environmental activist Lamin Jassey shares how industrial fish meal factories are devastating local waters, livelihoods and health in The Gambia — and how...

Many animal species stuff themselves with toxic chemicals for protection, which forces them to use a handful of distinct strategies to avoid becoming victims of their own weapons.

Charles Darwin introduced the notion of “survival of the fittest,” where the fittest animals are those who can survive long enough to produce healthy offspring. The fittest animal can also be the most stealthy, resourceful, or even the...

About the importance of the National Parks Foundation.

Small Indigenous communities make up only five percent of the world's population, but they defend 80 percent of the biodiversity that remains on Earth, says war reporter Anjan Sundaram. He paints a picture of Mexico's embattled...

Farm labor is hot, backbreaking and dangerous work. To protect workers from extreme heat and workplace exploitation, farmworker Gerardo Reyes Chávez has teamed up with farm manager Jon Esformes for a unique partnership. Learn how their...

You might think of gas masks as clunky military-looking devices. But in the near future, we may need to rely on these filters as part of our everyday lives. In addition to emerging diseases, wildfire frequency has more than tripled, and...

Uncontrolled fire threatens nature — but the right kind of fire can maintain the health and balance of the land, says fire management expert Oral McGuire. As a leader in the Nyungar community of southwestern Australia and a former...

How much should business leaders speak out about threats to democracy? It's a question many corporations are wrestling with these days. Business and democracy leader Daniella Ballou-Aares shows why companies have both the ability and the...

Chantale Zuzi Leader is one of the millions of displaced people around the world. In a deeply moving talk, she reflects on losing her family, home and sense of safety — only to break through and ultimately find community and hope. It's...

Climate innovation leader Rich Powell dives into the bureaucracy, bottlenecks and not-in-my-backyard attitude preventing the US from achieving its green energy goals, warning that we need about 10,000 new clean energy projects to be...

When you get two doses of a vaccine, you might assume that it doesn't matter which arm gets the shots. But some evidence suggests that it does.

In the long term, shutting down a coal mine means cleaner air and a healthier environment — but in the short term, it can devastate a community or family that relied on the mine's paychecks to make ends meet. Environmental justice...

Environmental activist Gopal D. Patel thinks the climate movement could learn a lot from one of the longest-standing social initiatives in human history: religion. Exploring three areas where frameworks from faith traditions could...

Mars has a ton of amazing features waiting to be explored, but we have to get there first. Thanks to our partners at the Boston Museum Of Science for helping us think about everything we need to plan a trip! Squeaks and Jessi would love...

Squeaks and Jessi explore how scientists can learn things about Mars by sending rovers to land on it. They can drive around, do science, and help us learn about the Red Planet!

Space is a dangerous place. One of the many dangers comes in the form of radiation. On Earth, sunscreen helps shield our bodies. But astronauts on the ISS, or eventually on the Moon/Mars/etc., will have to be rocking some suped-up sunblock.

Paleontologists found a small theropod dinosaur skull right on top of a nest of eggs that were believed to belong to a plant-eating dinosaur. Instead of being the nest robbers that they were originally thought to be, raptors like this...

Right now, invisible signals are flying through the air all around you. Massive radio waves carry information between computers, GPS systems, cell phones, and more. And the sky is flooded with interference from routers, satellites, and,...

When we picture the first tetrapods, or land vertebrates, crawling out of the ocean, we probably imagine they need legs. But evolution also had to bestow another important adaptation before they could leave the water: blinking!

Solving food shortages caused by droughts is a big challenge that may benefit from a tiny ally. Turns out that the microbes living in the soil around plants can give them a boost when water's scarce, which means more food for us, which...

SciShow takes you inside the site of the world's worst nuclear disaster to show you how, nearly 30 years later, life has adapted and persisted.

We've been spending a lot fo time thinking about one vaccine: the COVID vaccine. But vaccines have been around since long before SARS-CoV-2 showed up, so let's learn about some of those other vaccines.

Until now, researchers have assumed that healthy cells switch off the enzyme telomerase as a way to protect themselves from turning cancerous. But a new study suggests the enzyme may have a healthier role than we previously thought....