Why do dogs have an extra paw pad on their front legs?
These corn-chip-smelling paw pads serve a helpful purpose.
Why do we get muscle cramps after heavy exercise?
And why, of all things, pickle juice can help.
Why do we rub our eyes when we are tired?
It’s an instinct that prepares us for sleep. But you might want to think twice before doing it.
Why does bright light cause some people to sneeze?
If you sneeze when you look at the Sun, you probably have ACHOO syndrome (yes, this is the real name).
Why are dreams so hard to remember?
Our brain is making it hard on purpose, so it can focus on other activities.
What is an itch and why do we get itchy?
Get ready to scratch the itch of wanting to know why we itch.