Tag «PBS»

Venus: Crash Course Astronomy #14

Venus: Crash Course Astronomy #14

This episode of Crash Course is brought to you by SquareSpace Venus was the Roman goddess of love, and honestly, if you’ve ever seen it after sunset, hanging like a diamond in the twilight, the planet Venus is stunningly beautiful. The only problem? Venus is hell. Venus is the second rock from the Sun, closer …

Can explosions work in space?

Can explosions work in space?

[MUSIC PLAYING] Hey, I’m Diana, and you’re watching “Physics Girl.” And explosions are– [EXPLOSION] –crazy! The bigger the better, right? Especially if they’re in space and nobody’s getting hurt. But if you are really, truly an evil mastermind, and you honest to goodness want to take over the universe, are explosives your best bet? Let’s …

Is Height Genetic?

Is Height Genetic?

Hey smart people, Joe here. I am a descendent of giants. With a grandfather, dad, two uncles, and an aunt all towering over 6 feet tall. We are the people you don’t want to stand behind at a Bon Jovi concert, but we’re also the people who can get that thing off the top shelf …

Glendale Casino & Leg. Environmental Issues & Voting Rights

Glendale Casino & Leg. Environmental Issues & Voting Rights

>>>Coming up next on “Arizona Horizon,” we’ll update a legal fight over a proposed tribal casino near Glendale. Also tonight, the Sierra Club reviews new state laws impacting the environment.>>>And an attorney for the redistricting commission talks about recent Supreme Court rulings on voting rights. Next on “Arizona Horizon.”>>>”Arizona Horizon” is made possible by contributions …

History’s Most Powerful Plants

History’s Most Powerful Plants

Chances are, if you’ve turned on a lightbulb or a computer, you’ve harnessed the power of some very ancient, and very strange … trees. The vast majority of the electricity produced in human history has come from coal. And like all fossil fuels, coal is made from the remains of extinct organisms that have been …

The Last Time the Globe Warmed

The Last Time the Globe Warmed

Thanks to Curiosity Stream for supporting PBS Digital Studios. Imagine an enormous rainforest teeming with life: trees, insects, pretty little birds. Primates are climbing in the canopy, while crocodiles and turtles swim in the rivers below. Beautiful, isn’t it? Now imagine this lush rainforest … in the Arctic. There was a time — and not …