Topic: nature

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Troglobites: Strange Cave Specialists – Planet Earth

Troglobites are rare and specialized animals that only live in dark caves. In this clip from the BBC's Planet Earth: Caves, episode 4, we observe Thailand's cave angel fish, the Texas Blind Salamander, and the Belizea...

Four minutes of an armadillo digging a hole

With a leathery shell and front leg claws made for digging, armadillos burrow to find food and to make underground shelters. The armadillo in the video above, identified as a six-banded or yellow armadillo by YouTuber...

Termite clay kiln & pottery – Primitive Technology

If you lived in Far North Queensland, Australia before modern technologies were invented, how might you make a clay kiln and pottery from a termite mound? Primitive Technology takes on the challenge in the video above...

The differences between a living and a dead sand dollar

How can you tell if a sand dollar is dead or alive? Sand dollars are flat sea urchins that burrow into the soft sand. When alive, their undersides are full of "velvet-textured spines" covered with cilia, a latin word ...

Diffusion Choir, a flock of 400 kinetic origami elements

Four hundred motorized origami elements echo the movement of an invisible flock of birds. The piece, titled Diffusion Choir, is made from Tyvek fabric hexagons that furl and unfurl like umbrella canopies around 1800 t...

Why 10 Daily Tons of Ant Poop Keep This Rainforest Thriving

High up in the rainforest canopy of Panama's Barro Colorado Island, there are ants everywhere. Azteca ants—one kind of 30 different ant species that might be in a given tree—stand out because of their epic, 9 foot (2....

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...

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...

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...

Why the Giant Sequoia Needs Fire to Grow

Giant sequoias, the planet's largest trees and among the oldest living things on Earth—many of the largest are over 3,000 years old—depend on fire to help them reproduce. Learn how a destructive force is necessary for...

Spend a Day With the World’s Only Grass-Eating Monkeys

Geladas, one of the flagship species of Africa’s alpine grasslands, are found only in the Ethiopian Highlands. They are the smallest vestige of a genus that millions of years ago stretched from South Africa to Spain a...

Seashell inspiration: Growing cement bricks with bacteria

Imagine an 8-year-old girl studying a seashell on the sand in Gulf Shores, Alabama in 1985. It's her first trip to the beach and it's a moment that will set the course of her career: “The 8-year-old version of mys...

Yukino-otani, the huge snow walls of the Tateyama Snow Corridor

Fly by drone over the Tateyama Kurobe Alpine Route, a 90 km route crossing Tateyama in the Japanese Alps. This snow corridor has become famous for Yukino-ōtani, a valley of snow with canyon-like walls that can reach 2...

A night adventure to see Nicaragua’s sea turtles

Conservation educator Phil Torres traveled to Playa la Flor and the surrounding waters in Nicaragua to document how Paso Pacifico is working to protect the sea turtles. From SeeTurtles.org: Along Nicaragua's Pacif...

One Town, Four Elements: Ytterby

There's a small town in Sweden that has not one, not two, not three, but four elements named after it. Those elements--yttrium(Y), terbium (Tb), erbium (Er), and ytterbium (Yb)--were discovered by part-time chemist Ca...

Beauty and the Feast: When Herring Come to Spawn

Every spring, nature puts on a breathtaking display on the British Columbia coast. The waters turn milky white as millions of male herring release sperm, while the female fish lay billions of pinhead-sized eggs. Both ...

Demolishing an old hut to plant cassava and yams

Cassava are tuberous roots from a shrub. Yams are edible bulbs that grow both above and below the ground. They're both staple foods (despite the cassava containing some cyanide), and at Primitive Technology's 10 year ...

The animatronic animals of Spy in the Wild

Over 30 animatronic creatures were created for Spy in the Wild, the PBS and BBC co-produced wild animal mini-series, including a sloth, a warthog, a squirrel, an otter, a cobra, and an orangutan. Designer John Nolan g...