A world without them might not be as nice as we might think...
Turning blue in the face is easier said than done.
Is that weird noise coming from those pigeons' beaks?
No matter HOW fast the "fast" ball is moving, it will still fall at the same speed as the ball that just meanders over the edge.
Quiz: What comes before P in the alphabet? Unless you are particularly good at remembering sequences, you probably sang yourself a little song, but why?
How do people react when they experience rejection?
If you've ever stayed up the whole night through, you may have noticed that you begin to feel cold in the hours just before morning. Why does this happen?
It can be hard to remember something... here are some helpful memory aids!
The reason it's smarter to store your eggs with the fat end up is that the egg itself does not completely fill the interior of the shell.
One of the fundamental ideas of scientific thinking can be summed up in the phrase: "Correlation does not imply causation." That can be very confusing.