life's little mysteries

If Alexander the Great had invaded Rome, would he have won?

There are infinitely many prime numbers, but the biggest one we know of goes by the name M82589933 and contains more than 24 million digits.

The length of a second depends on how you're measuring it.

Why are dogs, especially puppies, in endless pursuit of their tails?

Do these tundra-inhabiting rodents actually jump to their deaths as depicted in a 1958 wildlife documentary?

Why are most planets and moons (mostly) spherical?

Mountains form in a variety of ways, some of which geologists are now just starting to understand.

Is there any truth to the phrase "I'm dying of laughter"?

Plants draw on a suite of pigments to produce energy from sunlight, and in the fall, some become more obvious than others.

The number of washboard abs you can show is determined by your DNA, according to research.