Say you're walking down a city street, minding your own business, when you approach a manhole...
What does your body do when you are sleeping? Believe it or not, your body is doing a lot while you are sleeping and this is another reason why sleep is good.
A recent study suggests that rats can be pessimistic. Find out how scientists completed their research on this Moment of Science.
When you experience something new, do you know what happens to your brain? Find out on this Moment of Science.