Life's Little Mysteries: Science questions, answered

From tail up to tail down, what do different cat tail positions and movements mean?

Earthworms commonly come out when it's wet outside, but why?

Poppy seeds come from the same plant that's used to make opium and morphine. So can they get you high?

The stomach can grow in size after you eat, but by how much?

Researchers have made great strides to prevent deaths from fatal diseases, but the cures for some of them still elude us.

Earth's atmosphere is heavy, so why doesn't it weigh us down more?

On Earth, the magnetic field of our planet points a compass north, but in space, things are a bit more complicated.

Why aren't the solstices the coldest and hottest days of the year?

Gray hair is often a sign of aging, but is it possible to delay its advance or reverse the color change?

From delicate dandelions to mighty oak trees, millions of plants use seeds to reproduce. But where did the first seeds come from?