Curious Kids: Could someone become a superhero in real life?
Technology can give superhero abilities to people in real life.
Jan. 5, 2021 • ~7 min
curious-kids superheroes black-panther
How does your brain wake up from sleep?
The mystery of how the brain creates consciousness still puzzles scientists, but the mechanics of waking up are starting to be understood.
Jan. 4, 2021 • ~6 min
neurons sleep curious-kids curious-kids-us eeg consciousness human-brain
Why do different countries have different electric outlet plugs?
There are 15 different kinds of electrical outlets around the world. One standard would be more convenient, but no one wants to change theirs.
Dec. 21, 2020 • ~6 min
electricity electric-grid safety curious-kids curious-kids-us electrical-grid electrical-engineering voltage thomas-edison nikola-tesla building-standards
Mermaids aren't real – but they've fascinated people around the world for ages
Mermaids are not real, but are meaningful to people around the world.
Dec. 14, 2020 • ~6 min
curious-kids curious-kids-us bigfoot seals loch-ness-monster cryptozoology folklore unicorns greek-mythology christopher-columbus stories dragons mermaids manatees
Curious Kids: If the Earth is spinning all the time, why don't things move around?
The Earth spins around its axis every day – but gravity keeps us firmly in place.
Nov. 27, 2020 • ~5 min
space astronomy gravity curious-kids
Why do tigers have stripes?
How do tigers – a top predator – successfully hunt their prey when they have bright orange fur? The secret's in their stripes!
Nov. 23, 2020 • ~6 min
vision wildlife curious-kids curious-kids-us predator-prey-interaction tigers camouflage captive-wildlife big-cats predator-and-prey wildlife-crime stripes
Why do tigers have different stripe patterns?
How do tigers – a top predator – successfully hunt their prey when they have bright orange fur? The secret's in their stripes!
Nov. 23, 2020 • ~6 min
vision wildlife curious-kids curious-kids-us predator-prey-interaction tigers camouflage captive-wildlife big-cats predator-and-prey wildlife-crime
How do geese know how to fly south for the winter?
Geese honk loudly and point their bills toward the sky when they're ready to start the migration. Here's how they know it's time, how they navigate and how they conserve energy on the grueling trip.
Nov. 16, 2020 • ~8 min
birds migration ornithology curious-kids curious-kids-us feathers migratory-birds bird-migration animal-navigation flying geese magnetic-compass drafting fall magnetic-north bird-flight
Curious Kids: How did some animals evolve wings to fly?
Today's birds evolved from feathered dinosaurs.
Oct. 22, 2020 • ~5 min
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