You can't watch Earth spin in real time because it rotates so slowly, but there are ways to see the effects of the planet's rotation.
An ancient Roman wooden phallus found buried in a ditch was likely used for sexual purposes and is now on display at a museum in England.
About 20 percent of people have dimples. But what causes them?
During the last ice age, which route was taken by the first humans to reach the Americas, and did they travel by foot, boat or both?