When it comes to teeth, there's always something new to learn. Which famous author became a tooth-removal evangelist? What animals have far more teeth than you'd expect? And where in the world is the tooth fairy actually a tooth mouse?
The sun is the real star of our show — pun intended. Hanging out 93 million miles away, it's a perfect mixture of hydrogen and helium that spit-roasts our planet just right. Here are some of the most interesting things we've learned about the sun, and some of our best guesses on its future.
Which natural phenomenon produced the loudest known sound? What widely misunderstood sea giant generates an ear-shattering kind of Morse code? Just how loud is an asteroid impact? These six giant sounds will put that garage band next door in some serious context.