Life's Little Mysteries: Science questions, answered

Cats can squeeze through impossibly small holes, but how does their anatomy enable them to do this?

The "fastest evolving vertebrate" title is hotly contested, but here are a few contenders.

When the brain "juggles" information, things can fall through the cracks.

Soap has a pretty simple formula and a long history.

Measuring the pace of evolution is tricky, but some species can evolve as quickly as a few generations.

Antarctica is covered by a miles-thick ice sheet, but was that always the case? And when was the coldest continent ice-free?

The special chemistry of this shiny iron alloy creates a protective layer on its surface that prevents it from rusting.

Drinking can change the brain in a way that makes people more likely to speak their mind, but the effects aren't always straightforward.

Heat triggers a series of complex chemical reactions that change the color, flavor and texture of meat.

From the moment of the Big Bang, everything in the universe has kept moving, but why is that?