Life's Little Mysteries: Science questions, answered

Was it dark after the Big Bang, or did light shine immediately?

When it comes to exceptional eyesight, picking a clear winner is harder than you might think.

Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of time submerged thanks to a few clever tricks.

Look at any world map and you'll see that the Pacific is the largest ocean. But how did it get so big?

To navigate the skies, birds rely on a complex sensory tool kit.

The color purple is, in a way, invented by our brains.

Many animals in the tropics are colorful for a number of reasons, including some you might not expect.

Are some parts of an airplane safer than others?

There are multiple contenders for the title of best smeller, but no clear winner just yet.

The human brain can make sense of sentences — even when the vowels are missing.