Topic: science

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The Arctic vs. the Antarctic

If you're first learning about them, the Arctic and the Antarctic might be a bit confusing. Which one is which? Where are the penguins and where are the polar bears? Which is made of melting ice and which is a desert?...

How to make a Hollow Mask Illusion

How do we perceive faces? With some balloons, newspaper, some paste for paper mâché, and paints, you can create a hollow mask that appears to follow you as you move back and forth around the room. Rachel and her child...

J is for Joule – Circuit Playground

Learn all about work (as defined by physics) and the Joule, a unit of energy measurement, with Adabot and English physicist James Prescott Joule (1818-1889). A summary from Universe Today: An apple is a favorite e...

1953: Preserving and operating a wimmenumermolen polder mill

In a 250 year old polder mill in Noord Holland, Eric Zwijnenberg pumps excess water out of the area to avoid flooding. The drainage mill was first rented by his parents as a summer vacation house in 1953... After ...

How to change anxiety into excitement

Starting at a new school, performing in a recital, riding a rollercoaster, playing against a tough team, taking a test... there can be so many times when we might feel worry, anxiety, and stress about a task or experi...

A blue whale lunges for krill

How can the largest creatures on the planet survive by almost exclusively eating some of the smallest creatures in the sea? In this video from Oregon State University, we get a very rare look at how blue whales eat ti...

How Maple Syrup is Made | Où se trouve: Garland Sugar Shack

Though the methods and technologies have modernized in recent years, four generations of the Garland family have made maple syrup from the trees on their century-old farm. Stereokroma visits the Garland Sugar Shack in...

‘Giant’ larvaceans filter the ocean with mucous webs

Using remotely operated vehicles (ROVs) and a new laser-and-camera system, researchers at the Monterey Bay Aquarium Research Institute (MBARI) have been able to study three Bathochordaeus species, transparent and rela...

Water powered hammer (Monjolo) – Primitive Technology

For farmers, millers, engineers, and artisans who live near a river or stream, a monjolo or kara-usu—a water powered hammer—can slowly grind grains into flours or soft stones into powders without repetitive human effo...

Cassini’s Grand Finale, our daring last months orbiting Saturn

"After 20 years in space, NASA's Cassini spacecraft is running out of fuel, and so to protect moons of Saturn that could have conditions suitable for life, a spectacular end has been planned for this long-lived travel...

Creating The Never-Ending Bloom: John Edmark’s spiral geometries

Artist, designer, inventor, and Stanford professor John Edmark creates sculptures that are driven by precise mathematics, but his interest in spiral geometries is driven by something more enigmatic... "a search for un...

How Do Pelicans Survive Their Death-Defying Dives?

Unlike American White Pelicans, who scoop up fish at the water's surface, California’s brown pelicans rocket down from the sky, plunging toward the ocean from as high as 65 feet. This episode of Deep Look explains how...

Drones help scientists study Guatemalan volcanoes

A team of volcanologists and engineers from the Universities of Cambridge and Bristol has collected measurements from directly within volcanic clouds, together with visual and thermal images of inaccessible volcano pe...

The Heart of Maker Faire, a community-inspired light installation

Within each of these jars, someone has written and enclosed a note about what is in their heart. The blinking lights, RGB LEDs that illuminate the sealed jars from below, are set to echo the heart rate of each note wr...

Each Tree Is Its Own Adventure: Climbing giant sequoias for science

Among the planet's longest-living organisms—3,000+ years and growing—giant sequoias (Sequoiadendron giganteum) can seem pretty indestructible. They're thought to be mostly disease, fire, and drought resistant thanks ...

Readying the Webb Telescope for Launch

Launching "the most sophisticated space science telescope ever constructed" into space is a complex process, and testing is a huge part of it. The James Webb Space Telescope's intricate hardware and technical systems ...

Catching butterflies with the longest butterfly net in the world

Travel into the rainforest of Pimpilala, Ecuador with conservation educator and naturalist Phil Torres as he looks for butterflies with Dr. Susan Finkbeiner. As an entomologist and evolutionary biologist, she uses the...

Oxygen’s surprisingly complex journey through your body

Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach th...