Mythology Quiz

Not all stars are gigantic. Neutron stars have a radius of about 10 km (6 mi), but they might have a mass that is a few times the size of our Sun. These dense stars, born from core-collapsing supernova star explosions, also rotate at incredible speeds – an estimated 600-712 rotations per second!

The marketing web pages for films Space Jam and You've Got Mail are also still up at their original URLs. The 1996 Michael Jordan/Bugs Bunny vehicle Space Jam and 1998's You've Got Mail were released at the dawn of the Internet marketing age, and so it's great for future historians that both websites are still available and more or less unchanged.

Your nose can smell at least 1 trillion scents. Scientists had long assumed our noses could distinguish about 10,000 odors. Human beings tend to think of themselves as visual first, auditory second, then touch and taste.