Topic: science

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A Sketchy History Of Pencil Lead

When fifth-graders at Green Acres Elementary in Lebanon, Oregon asked the NPR Skunk Bear team how pencil lead was made, they looked into it... way into it. From the start of the universe (with a shout out to Carl Saga...

Elemental Burning – Beauty of Science

What happens to carbon when it combusts? What does sodium look like while it burns? In Elemental Burning, creator Yan Liang's team films the combustion of five elements: carbon, sodium, phosphorus, magnesium, and sulf...

How to Design a Particle Accelerator

What is a particle accelerator and how would you go about designing one? We've heard of the Large Hadron Collider at CERN, but what of the tens of thousands of other accelerators being used in science and medicine? ...

3D printing ‘hyperelastic bone’ to mend injuries

Hyperelastic bone may be a 3D-printed solution for helping to mend our bones in the future. Cost-effective and customizable, the material is both a "structural element and a scaffold for bone regeneration," as shown i...

LEGO Dragon-Butterfly-Jet Magic Angle Sculpture

Created with layers and layers of LEGO pieces, magic angle sculptures appear to be completely abstract forms at first glance, but with the help of a light and rotation, they reveal their complex design. Inspired b...

The 1995 Hubble photo that changed astronomy

If you hold a pin at arm’s length up in the air, the head of the pin covers approximately the amount of sky that appears in the Hubble Deep Field. The iconic 1995 image is crowded, not because it’s a broad swath of sk...

The Loneliest Tree in the World

In 1895, John Medley Wood discovered a cluster of peculiar Encephalartos Woodii on the fringe of the oNgoye Forest in KwaZulu-Natal, South Africa. A basal offset of the male dioecious tree was sent to Kew Gardens in L...

Installing massive statues with engineering and care at the Met

How do you move and install a three ton statue circa 170 BC? How do you move and install a ten ton statue? In these behind-the-scenes time lapse video from the Metropolitan Museum of Art in New York City, we get to se...

Crystallization2, a 4K macro time lapse

The subjects of this project were droplets of saturated aqueous solutions containing various inorganic salts (e.g. table salt, sodium sulfate etc.). The evaporation of water initiated the crystallization processes ins...

Aeroponic vertical farming in Newark, New Jersey

Inside of a former laser tag area in Newark, New Jersey, Aerofarms is growing 250 kinds of leafy greens in huge air and mist-driven vertical farm. This Seeker Stories video shows how their aeroponic technology works: ...

To Mars and Back In 150 Seconds

How does sending humans to Mars work? How long does it take to go there and come back? How do they set up shelter on the Red Planet? What about space radiation? TIME's Jeffrey Kluger gives us an animated primer: To Ma...

Osiris-Rex: Chasing Asteroid Bennu – Out There

NASA’s OSIRIS-REx space vehicle launched from Cape Canaveral on September 8, 2016, riding an Atlas V rocket into a seven year long mission to map the asteroid Bennu and the bring a sample of it back to Earth. From Ast...

The Guillemot egg, an egg that saves its own life

Guillemots are sea birds that reside in crowded colonies on rocky cliff sides. When they breed, they produce one conical egg which incubates for around 30 days on the precarious cliffside... but guillemots don't make ...

How to Find a Galaxy

How do you find a galaxy? How do you find a thousand galaxies? Astrophysicist Dr. Margaret Geller is a galaxy mapping pioneer. She and her colleagues studied the spatial distribution of galaxies in our universe by sur...

How do animals see in the dark?

How do animals see in the dark... and sometimes in color? Learn more about the night vision of the tarsier, cats, toads, and hawkmoths in this illuminating animation from TED Ed. Learn more about eyes in these videos.

Edible milk-based packaging may replace plastic in three years

At the grocery store, most foods — meats, breads, cheeses, snacks — come wrapped in plastic packaging. Not only does this create a lot of non-recyclable, non-biodegradable waste, but thin plastic films are not great a...

A physical demonstration of gravitational waves

Start with the classic lycra space-time warping demo, add in news of LIGO and The First Observation of Gravitational Waves, then mix it with a drill. In this Ultimate Gravitational Waves Explanation, Steve Mould creat...

Pattern distortions seen through a glass of water

Try this classic trick at home with different shaped glasses (which shapes the water within them) and a few patterned backgrounds. As you look through the glass, you'll see the background pattern shift. Why? As the li...