Topic: science

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Jane Goodall inspires kids at Berkeley’s Redwood Grove

For anyone who has admiration for trailblazing primatologist and conservationist Dr. Jane Goodall, these highlights of her October 13, 2015 appearance at Berkeley's University of California Botanical Garden will be a ...

G is for Ground – Circuit Playground

Join Adafruit Founder Limor Fried and her robot friend ADABOT as they find electrical connections to the earth in a wide variety of places. This is G is for Ground from Circuit Playground, Adafruit's kid-friendly educ...

Mimicking shark skin to combat superbugs – Think Like a Tree

In 2001, materials scientist Dr. Anthony Brennan observed that Galapagos Sharks are barnacle and algae-free due to the micro-topography of their skin. These diamond pattern nanoridges also make it difficult for bacter...

The Inverted Glass Harp

We love glass harps – instruments made from wine glasses that are filled with different amounts of water to create a series of desired pitches. In The Inverted Glass Harp, Dan Quinn shows us that empty glasses can als...

Think Like a Tree – Problem solving with nature’s best ideas

Biomimicry -- imitating nature's best ideas in our design of materials, structures, and systems -- can provide huge leaps in our understanding when it comes to solving challenges. Example: How do we keep our buildings...

Adding color & fizz to floating water bubbles in microgravity

When you're floating water bubbles in microgravity on the International Space Station, be sure to add a gas-releasing effervescent tablet and some food coloring, and don't forget to film it in 4K resolution. Astron...

How do your eyes perceive color? – Physics Girl

When we talk about mixing colors, it's often because we're mixing paint, but what about light? The retinas in our eyes respond to light differently because of two types of photoreceptors: rods and cones. Rod cells hel...

Weather vs. Climate + Severe Weather – Crash Course Kids

Weather vs. climate... are they the same thing? In this episode of Crash Course Kids, Sabrina Cruz explains the differences: Weather refers to the day to day conditions of where you are on the planet. Climate refers t...

The Rosetta Mission – A claymation tale of science & adventure

In August 2014, after ten years of traveling, the Rosetta space probe and its lander Philae made a historic rendezvous with Comet 67P/Churyumov–Gerasimenko, and in November 2014, Philae landed/bounced onto the comet's...

The Meat of the Future – How Lab-Grown Meat Is Made

In 2013, Maastricht University physiologist Professor Mark Post created a lab-grown burger patty using muscle cells from a cow -- a world first, and a possible solution to the resource challenges that come with raisin...

Much A-Doo About Poo – Gross Science

Poop! Poop for fertilizer, heat, and electricity! Around 300 cows at Jordan Dairy Farm help generate energy and a nutrient-rich digestate, thanks to a specially built barn floor that collects their manure. Nearby, an ...

Why do spinning rings & spinning disks have different paths?

In this silent video from Science Magazine, we can see how a spinning disk and a ring create two different paths while spinning. Try it at home. Do you see the same result? David Schultz at ScienceMag.org explains: ...

Woolly mammoth remains discovered in a Michigan field

Farmer James Bristle discovered the remains of a woolly mammoth in his newly acquired soy field near Chelsea, Michigan. In this video from the University of Michigan, you can see the skull and tusks being lifted from ...

The Journey of Vanilla – From Plant to Extract

Mix 1 tablespoon of vanilla extract into the cookie dough, order Vanilla Caramel Fudge at the ice cream shop, or take a closer look at some vanilla beans at the store. What is vanilla and where does it come from? This...

How do plants grow in space? – Science Friday

Microgravity, different kinds of light, extreme conditions... Growing while in orbit or on Mars are two experiences that earthbound organisms have never needed to adapt to in our evolutionary history. How do our bodie...

Discovered! A “glowing” biofluorescent hawksbill sea turtle

You're on a night dive in the Solomon Islands to film biofluorescence in small sharks and corals. Your underwater camera system includes a blue light and a yellow filter that blocks out blue light, allowing you to see...

Exploring the surface of a comet or asteroid with Hedgehog

When you're exploring a comet or asteroid, you've got to contend with a microgravity environment and some seriously rugged terrain, two huge challenges for a traditional rover. Enter Hedgehog, a jump, spin, and tumble...

Deep in the caves with Homo Naledi & the Rising Star Expedition

More than 1,500 individual bones and teeth of at least 15 skeletons of Homo naledi were excavated by an all-woman "underground astronaut" team during the 2013/14 Rising Star Expedition. Homo naledi is a new species in...