The Most Extreme Explosion in the Universe
AdultsLifeScienceSpaceSupernovae are the most powerful explosions in the universe, unleashing enough energy to outshine galaxies. We have no real metaphor for their power – if the sun were to magically go supernova it would feel like you were being hit by the energy of a nuclear explosion, every second. For weeks.
The Future of Machines That Move like Animals | Robert Katzschmann | TED
AdultsExperimentsLifeTechnology...Imagine a boat that propels by moving its "tail" from side to side, just like a fish. That's the kind of machine that TED Fellow Robert Katzschmann's lab builds: soft-bodied robots that imitate natural movements with artificial, silent muscles.
4 Plants that Hunt Underground
AdultsEnvironmentLifeNature...Carnivorous plants tend to live in environments where the soil can’t provide enough of the nutrients they need to survive, so they have developed all sorts of methods to trap and consume the critters of the area, including hunting underground!
Harp Seal Pups are Losing their Homes I Our Frozen Planet I BBC Earth
AdultsAnimalsLifeTravel...On opposite ends of our planet, two remarkably similar stories are playing out... and what links them is our changing climate. Meet the scientists witnessing events unfold in these polar regions, and discover their hopes for a better future.
Tidepooling along the Pacific Coast | National Geographic
AdultsLifeNatureTravel...Nature’s incredible details take on new meaning for chef Melissa King as she joins National Geographic Photographer and Explorer Anand Varma to explore coastal tide pools and craft a recipe inspired by her discoveries. Paid Content for Mazda.
King Penguins and Melting Glaciers I Our Frozen Planet I BBC Earth
AdultsAnimalsLifeNature...Melting glaciers in South Georgia have opened up new habitat for penguin colonies, but the impacts of ice loss globally are far-reaching – with potentially devastating consequences. If Greenland’s ice sheet were to fully melt, global sea levels could rise by seven metres. Can we work together for a different future?
Primitive Technology: Smelting Iron In Brick Furnaces
AdultsEducationLifeNature...I made 3 furnaces from bricks using different configurations to test their effectiveness. The benefit of using bricks to make a furnace is that it's quicker, easier, re-useable and portable relative to a furnace constructed in-situ from clay.
What Happens if a Supervolcano Blows Up?
AdultsLifeNatureWorld...The Earth is a gigantic ball of semi-molten rock, with a heart of iron as hot as the surface of the Sun. Titanic amounts of heat left over from its birth and the radioactive decay of trillions of tons of radioactive elements find no escape but up.