The amazing ways plants defend themselves - Valentin Hammoudi
Adults NaturePlants are constantly under attack. They face threats ranging from microscopic fungi to small herbivores like caterpillars, up to large herbivores like elephants. But plants are ready, with a whole series of internal and external defenses that make them a less appealing meal - or even a deadly one. Valentin Hammoudi explains some of the fascinating ways that plants defend themselves.
The science of smog - Kim Preshoff
Adults NatureOn July 26, 1943, Los Angeles was blanketed by a thick gas that stung people's eyes and blocked out the Sun. Panicked residents believed their city had been attacked using chemical warfare. But the cloud wasn't an act of war. It was smog. So what is this thick gray haze actually made of? And why does it affect some cities and not others? Kim Preshoff details the science behind smog.
More ice is about to break off of Antarctica - and it's what scientists feared most
Adults NatureThe giant crack that's been racing across Antarctica Larsen C ice shelf finally met its breaking point between July 10 and 12. The result was an iceberg the size of Delaware and weighing a trillion metric tons.
How does fracking work? - Mia Nacamulli
Adults NatureDeep underground lie stores of once-inaccessible natural gas. There's a technology, called hydraulic fracturing, or "fracking," that can extract this natural gas, potentially powering us for decades to come. So how does fracking work and why is it a source of such heated controversy? Mia Nacamulli explains the ins and outs of fracking.
Can you solve the fish riddle? - Steve Wyborney
Adults NatureAs the cargo director on the maiden voyage of the S.S. Buoyant, you've agreed to transport several tanks containing the last specimens of an endangered fish species to their new aquarium. Unfortunately, the boat is battered by a fierce storm, throwing your precious cargo overboard. Can you get the fish to safety and save the day? Steve Wyborney shows how.