Plants are amazing. Really! Photosynthesis is an incredible thing. But it also means that some plants can't live everywhere. They need to get the right amount of sunlight for the right amount of time. In this episode of Crash Course...

So, have you ever wondered why we have seasons? Or maybe where the sun goes when it's night time? *Hint: It doesn't actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth's rotation and revolution and...

We all picked up new habits during the COVID-19 pandemic. But not all of them stuck. Here's the data on whether we're better or worse drivers, exercisers, social media community members, neighbors, and self carers than during and before...

Does it seem like your workweeks are full of bright sunny days and then every weekend, every time you make plans, it rains? It's not just you -- at least if you live in the Northeastern US, it really does rain every weekend. The reason...

2023 was a wild year with everything from scorching temperatures to massive wildfires. Even with more renewable energy than ever, 2023’s climate data still seems really bad. So how should we think about climate change today? And what can...

Antarctica probably isn't the first place you think of when you hear about volcanoes. But there's a lot happening under the icy tundra, and not all of it's a good thing. Here's how rising temperatures could lead to an even more...

If you ask your favorite search engine where Earth gets the most hail, it's likely to spit out Kericho. But can you use exploding rockets to suppress that hail? That's one question both companies and researchers tested...

In environmental reporting, “it's not always about the big climate story,” says journalist Katherine Dunn. She challenges newsrooms to rethink how they cover climate change, connecting to the things readers love — whether that’s jobs,...

Headlines warn of a world in collapse, but solutions journalist Angus Hervey finds the overlooked triumphs that never make the news — from the rollout of malaria vaccines to the recovery of sea turtles. With hard data and stories from...

What separates struggling artists from successful ones? Looking to creative geniuses like Mozart, Edison and Monet, video creator Jon Youshaei explains why aiming to be prolific — despite flops and failures along the way — is the key to...

Leo Villareal is an artist, but his tools aren't paint and canvas; he manipulates light, color and computer code to create monumental works of public art. In a dazzling talk, he takes us inside his efforts to light up some of the world's...

Tired of “privilege walks” and black squares on social media that feel hollow? Workplace inclusion expert Y-Vonne Hutchinson peels back the superficial layer of performative DEI to reveal a fresh approach that meets people’s real-life...

From cosmetics to nutrition, collagen is seemingly everywhere — but we don't often discuss its ethically questionable sources, says chemical engineer Fei Luo. She delves into the groundbreaking technology that uses genetically modified...

How prevalent is solar power, really? According to researcher Jenny Chase, it's already displacing fossil fuels in key energy markets around the world. She explains the rise of affordable solar power and dives into how her team tracked...

For as long as humans have had lice, we’ve fought hard to get rid of them. Nit combs, the fine-tooth brushes used to remove lice and their sticky eggs, have been found among the ancient remains of cultures across the globe. Today it’s...

Lots of languages and species are going extinct, but because others keep getting found or described, the official counts of languages and species are still increasing.

The Grand Canyon is super-wide and super-deep, which might make you think that the Colorado River, which carved it, is particularly old or powerful. Or at least that's what I thought.

The average human, in theory, eats 3 spiders a year. If you're not eating them and I'm not eating them, who is?

Venezuela’s Lake Maracaibo is home to a legendary lightning storm that has been going on for over 500 years.

Because of the way digestion works, human poop not only contains dangerous microbes, it also contains a wide variety of other things, many of which we could potentially put to use.

The moon orbits the earth once per month, which means the moon is on the sun side of the earth every month. So... "why aren't there eclipses every month?" is a question we will answer in this video!

Humans eat a lot of different animals, but almost none of them are carnivores - why?

Australia will perpetually encounter the season opposite to the one we in the northern hemisphere will encounter, so does this means that Australia will never get a white Christmas?

In this exchange, Galloway addresses criticism regarding his comments on obesity and diabetes by emphasizing the role of systemic issues like food deserts, industrial food companies, and lack of access to healthcare innovations like...