Mysterious Earth
A look at the Dark Age's pagan Vikings, forgers of crucible steel and the Ulfberht Sword.
2025-12-25 21:49:00 +0000 UTC→2025-12-25 22:16:00 +0000 UTC(27m)
Schedule for EarthDay 365
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Xploration Nature Knows Best
Some of the world's strongest materials are naturally made, like the silk spiders use in their webs.
2026-01-01 15:36:00 +0000 UTC→2026-01-01 16:02:00 +0000 UTC(26m)
Xploration Nature Knows Best
Scientists study animals' swarm behavior to make better robots.
2026-01-01 15:10:00 +0000 UTC→2026-01-01 15:36:00 +0000 UTC(26m)
Xploration Nature Knows Best
Sharks' skin is used to fight germs; sharks' senses help to build better robots.
2026-01-01 14:44:00 +0000 UTC→2026-01-01 15:10:00 +0000 UTC(26m)
Xploration Outer Space
An asteroid may have killed off the dinosaurs; the Chelyabinsk meteor of 2013.
2026-01-01 14:19:00 +0000 UTC→2026-01-01 14:44:00 +0000 UTC(25m)
Xploration Outer Space
SETI searches for intelligent life in the universe; top candidates to host life beyond Earth.
2026-01-01 13:54:00 +0000 UTC→2026-01-01 14:19:00 +0000 UTC(25m)
Xploration Outer Space
Robots; Robonaut; the Space Exploration Vehicle; the ATHLETE rover.
2026-01-01 13:28:00 +0000 UTC→2026-01-01 13:54:00 +0000 UTC(26m)
Xploration Outer Space
What it takes to be an astronaut; the Neutral Buoyancy Laboratory; space suits.
2026-01-01 13:02:00 +0000 UTC→2026-01-01 13:28:00 +0000 UTC(26m)
Xploration Outer Space
Mars; Curiosity rover; Mars Desert Research Station.
2026-01-01 12:36:00 +0000 UTC→2026-01-01 13:02:00 +0000 UTC(26m)
Animal Science
A cow's four-chambered stomach; a disorder that makes goats faint; horsepower.
2026-01-01 12:13:00 +0000 UTC→2026-01-01 12:36:00 +0000 UTC(23m)
Animal Science
Australia; the Great Barrier Reef; the Tasmanian devil; the koala.
2026-01-01 11:47:00 +0000 UTC→2026-01-01 12:13:00 +0000 UTC(26m)
Animal Science
Cats throughout the world; the saber-tooth tiger; cat senses; incredible feline facts.
2026-01-01 11:22:00 +0000 UTC→2026-01-01 11:47:00 +0000 UTC(25m)
Animal Science
The jaguar's spots; how a bee sting works; salmon migrate thousands of miles to spawn.
2026-01-01 10:57:00 +0000 UTC→2026-01-01 11:22:00 +0000 UTC(25m)
Animal Science
The lifecycle of the butterfly; how birds fly; how a Venus flytrap catches its prey.
2026-01-01 10:32:00 +0000 UTC→2026-01-01 10:57:00 +0000 UTC(25m)
The Cheetah Diaries
Cheetah Outreach has been given a big opportunity; leaving for a new location.
2026-01-01 10:06:00 +0000 UTC→2026-01-01 10:32:00 +0000 UTC(26m)
The Cheetah Diaries
Emily travels to collect four new cheetah ambassador hopefuls.
2026-01-01 09:38:00 +0000 UTC→2026-01-01 10:06:00 +0000 UTC(28m)
The Cheetah Diaries
The six cheetah cubs leave with new handler Tim to Bush Gardens in Tampa Bay.
2026-01-01 09:10:00 +0000 UTC→2026-01-01 09:38:00 +0000 UTC(28m)
The Cheetah Diaries
The female cubs meet their future handler Tim at their new home, Bush Gardens in Tampa Bay, Florida.
2026-01-01 08:42:00 +0000 UTC→2026-01-01 09:10:00 +0000 UTC(28m)
The Cheetah Diaries
The cubs will soon leave to become ambassadors; Sebastian behaves badly and starts biting.
2026-01-01 08:14:00 +0000 UTC→2026-01-01 08:42:00 +0000 UTC(28m)
The Cheetah Diaries
The bat-eared fox pups struggle for survival; Cheetah Outreach founder Annie stops by to observe.
2026-01-01 07:47:00 +0000 UTC→2026-01-01 08:14:00 +0000 UTC(27m)
The Cheetah Diaries
Emily takes the cubs on their first trip from the cub's house, a walk in the vineyards.
2026-01-01 07:19:00 +0000 UTC→2026-01-01 07:47:00 +0000 UTC(28m)
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