1. Question: What is the largest planet in our solar system? Answer: Jupiter 2. Question: What is the fastest animal on land? Answer: The cheetah 3. Question: What are the three layers of the Earth?

This week: A lot of primate news. (Most of our news is primate news, but this time we don't mean humans.) If you've paid attention to the doings of apes and monkeys, you'll get at least three ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images If you had a reputation for being a know-it-all as a kid, you’re likely now the person with a trusted list of trivia ...