Life's Little Mysteries: Science questions, answered

The vast majority of polished diamonds are clear and sparkly, but some come in unexpected colors like blue, green and even pink. So why are some diamonds different colors?

Telescopes have come a long way since the first one was invented in 1608. So what's the most powerful telescope operating today, and how far can it see?

Frogs can breathe and drink through their thin skin — but how does that work?

Rome continued on after the Western Roman Empire fell but faced war and a population crash.

It's a well-known fact that most cats despise getting wet. But why?

Will we ever have an underwater tunnel between New York and London?

Other metals might be worth their weight in gold, but can they be turned into it?

After the sun goes out, what will happen to the solar system — and how long will it last?

Many shark species are temporarily paralyzed when turned upside down. But what benefit does this trait have?

Your memory relies on reusing, overlapping and adapting rather than on a fixed number of storage spots.