Topic: science

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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...

The scientist that grows ‘identical twin snowflakes’

Snow crystals form when humid air is cooled to the point that molecules of water vapor start sticking to each other. In the clouds, crystals usually start forming around a tiny microscopic dust particle, but if the wa...

Invisible Nature: The (Super Tiny) Glowing Squid

The Hawaiian bobtail squid (Euprymna scolopes) spends its days buried in sand and its nights stalking prey in the shallow waters off the coast of Hawaii. Just because the squid hunts at night, however, doesn’t mean th...

Seagrass: Life in the Underwater Meadows

You dive down into a undersea meadow. Surrounded by blades of seagrass up to a meter tall, you begin to notice the abundant life all around. Schools of baby fish hide within the grassy maze as emerald sea slugs graze ...

Can you solve the virus riddle?

Your research team has found a prehistoric virus preserved in the permafrost and isolated it for study. After a late night working, you’re just closing up the lab when a sudden earthquake hits and breaks all the sampl...

Make Lissajous patterns with DIY sand pendulums or light

Sand pendulums are an easy and beautiful method for students of all ages to learn a bit about the harmonic motion. These devices are easy to build and can be adjusted to give a variety of patterns. A pendulum that beg...

Full 360° view of our moon from NASA’s LROC Wide Angle Camera

From the Wide Angle Camera (WAC) of the Lunar Reconnaissance Orbiter (LRO), providing a very wide field-of-view, view Earth's moon from all sides. It was created from 110,000 high-resolution WAC images that were digit...

How the food you eat affects your gut – TED Ed

The bacteria in our guts can break down food the body can’t digest, produce important nutrients, regulate the immune system, and protect against harmful germs. And while we can’t control all the factors that go into m...

Genevieve von Petzinger & the invention of graphics on cave walls

Northern Spain's Cueva de El Castillo and Cueva de La Pasiega both contain incredible specimens of Franco-Cantabrian cave art, paintings and engravings in Cantabria province and southwestern France. El Castillo cave i...

Building a Volcano-bot | How She Works

Volcanologist Carolyn Parcheta builds and tests Volcano bots, sturdy and compact robots that can explore inside volcanoes. Her team is developing these two-wheeled explorers to learn more about how magma moves and how...

The Brick Double-Domino Effect Explained

In 2016, bricklayers in Teralba, NSW Australia filmed their domino-style technique for capping a concrete brick wall. The video went viral thanks to the surprising second part of the chain reaction: After the bricks f...

Invisible Nature: Code of the Treehopper

Hiding in plain sight and deceptively still, treehoppers have evolved an ingenious way to communicate—using a complex series of vibrations. Now, scientists are listening in and starting to crack the treehopper code. A...

Cell division in a frog egg, a microscopic time lapse video

In a feat of DIY time lapse filmmaking at a microscopic scale, wildlife filmmaker and photographer Francis Chee captured the cell division of a Rana temporaria common frog egg. Watch it transform from a few cells to.....

Hydnora africana, the strangest plant in the world?

With no leaves and no chlorophyll, Southern Africa's Hydnora africana is a underground-dwelling parasitic plant in that gets all of its sugars, minerals, and water by attaching to the roots of Euphorbia plants. It als...

When Your Job Is Saving The Ocean | How She Works

On her dive days as a marine biologist for The Bay Foundation, Ariadne Reynolds is usually scuba diving in the Santa Monica Bay for three 1-1.5 hour stretches as she observes urchins and kelp growth, and measures ever...