Can Humanity Stop A Planet-Killing Asteroid?
AdultsAstronomyNatural DisastersScienceSpaceSome killer asteroids were found only days before flyby. If they had struck Earth, the power of thousands of nuclear bombs would have flattened cities and killed millions.
Let's Fly!
YouthAdventureProblem-SolvingProcessScienceTechnologyTransportationYouth 110Youth 115Youth 120Youth 125Youth 130In this episode, Sabrina shows us how to do just that by going back to our original problem at the gorge.
If you had the chance to be immortal, would you take it?
AdultsEthicsPhilosophyPsychologyScienceExplore different philosophers’ ideas on immortality and dig into their theories about the positives and negatives of eternal life.
Why Grass Grows Better Under Trampolines
AdultsEnvironmentGardeningNatureScienceIf you’ve ever owned a backyard trampoline –or jumped on someone else’s– you might have noticed that the grass underneath it is longer and lusher than the grass in the rest of the yard. It’s not just that that grass isn’t getting mowed… in fact, when it does get mowed, you can see the weird effect even better! Instead there's something else –something shadier– going on here.