It only takes five generations of learners for a pantomime to become a stable sign.
You may have seen a cat fall from a tree or high rooftop. Ever wonder how felines can survive such great falls?
If you look at a bright lamp and then close your eyes, why can you still see the light?
Is your houseplant moving or is that just an optical illusion?
Why do some species of birds-of-paradise have such eye-catching plumage?
Moths are much less attracted to artificial light than they used to be.
What does the crystal ball reveal for human evolutionary future? Is it six-fingered hands for everyone?
Every planet with a magnetic field can produce polar lights. So why can't we see Jupiter's?
Why does water boil faster on stormy days rather than sunny days?
How did scientists confirm stereoscopic vision in praying mantises? By making them watch 3D movies.