Topic: rock

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Dinosaur fossils uncovered on an Antarctic expedition

A team of 12 scientists recently completed an audacious fossil hunting expedition to James Ross Island in Antarctica, and returned with over one ton of marine, avian, and dinosaur fossils that are between 71 million a...

Space Rocks: Comets, asteroids, meteors, & meteorites

This claymation primer on comets, asteroids, meteoroids, meteors, and meteorites helps us learn about Space Rocks in a super adorable way. Made by Beakus for the Royal Observatory Greenwich, the animation is one in a ...

Melodious stone instruments called lithophones

An idiophone, the lithophone is a set of rocks -- granite, fossilized coral, petrified wood, and other melodious stones -- that are played by striking them. They've been made in a variety of forms all around the globe...

Making charcoal, baskets, & stone hatchets – Primitive Technology

In the modern world, we pick up a bag of charcoal at the market if we want our fires to start easily and get hot quickly. But what did humans from the past do when they wanted their fires to burn hot enough to, say, s...

Ashima Shiraishi, one of the best rock climbers in the world

A veteran rock climber at just 14 years old -- she started scaling boulders at the age of six -- New Yorker Ashima Shiraishi is considered to be one of the strongest and most talented climbers on the planet. The N...

Making a cord drill & pump drill from sticks & rocks

How far can you go without using modern technology? As a hobby, YouTuber Primitive Technology explores this question by making simple tools from scratch using no modern tools or materials. In the video above, he craft...

Collared Pika Prepares For Winter – Wild Alaska

In Alaska and northwestern Canada, collared pikas, also called rock rabbits, begin gathering their winter larder as summer ends. In preparation of the long cold months ahead, they store their rations in a very meticul...

A Sisyphus kinetic sculpture made with LEGO

Whether it's being powered by a hand crank or a motor, this Sisyphus LEGO kinetic sculpture by LEGO artist Jason Allemann is impressive, from the smooth movement of the figure's body to the myth-driven depictions on t...

Why are there oyster shells in the ‘Chalk Pyramids’ of Kansas?

Fossilized oyster shells, coral, fish bones, shark teeth, and other marine organisms can be found in the 'Chalk Pyramids' or Monument Rocks that rise up from the flat plains of western Kansas. These ancient chalky spi...

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...

The 2014 Stone Skipping World Record – Kurt Steiner’s 88 skips

On September 6, 2013 in Pennsylvania's Allegheny National Forest, Kurt Steiner achieved the Guinness World Record for "the most consecutive skips of a stone on water" when his skipping stone touched the water 88 times...

For sea otters, lounging around is the key to conserving energy

Sea otters are not only known for being adorable, but also for a lack of blubber to help keep them warm. Because they live in water that’s far too cold for their bodies, sea otters not only rely on their super fantast...

Underwater Caves of the Yucatán Peninsula – Wonders of Life

In the jungles of Yucatán Peninsula, crystal clear cenotes -- from the Mayan word ts’onot meaning "sacred well" -- fuel their surrounding ecosystems with fresh water. Numbering in the thousands, these flooded sinkhole...

An Object at Rest: A stone’s adventure through time

An Object at Rest is Seth Boyden's final thesis film at CalArts. He writes: This year's story follows the life of a stone as he travels over the course of millions of years, facing nature's greatest obstacle: human...

The Four Spheres (Geo, Bio, Hydro, & Atmo) with Crash Course Kids

The ground or geo-sphere, water or hydro-sphere, air or atmo-sphere, and life or bio-sphere: Earth and everything on it can be organized into these four distinct yet interconnected subsystems. Knowing more about each ...

LeVar Burton visits the Grand Canyon – Reading Rainbow

Take a video field trip to the Grand Canyon with LeVar Burton and Reading Rainbow as he explores the canyon's history, early inhabitants, and its original formation. The views are incredible from a boat on the Colorad...

How to Observe a Meteor Shower – Cal Academy

Get some blankets, find a dark hill on a dark night, make sure you've napped, and put away that smartphone. The California Academy of Sciences has some excellent tips for seeing shooting stars, more accurately known a...

How to replace railway ties without pulling up the rails

Railroad tracks are made of three main parts: the long steel rails that the trains run on, wooden or concrete railroad ties (US) or sleepers (UK), and the track ballast that helps bear a train's weight and keeps the t...

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