nature

Is a bird the right pet for you?

Are you ready for a pet bird? Whether you’re thinking of a little parakeet, a large parrot or something in between, here are some things to consider.

Why do zebras have stripes?

After evolving from horses some two million years ago, zebras earned their stripes. But why? A team of scientists has found part of the answer.

A super stellar gallery of galaxies

Our galaxy, the Milky Way, is typical: it has hundreds of billions of stars, enough gas and dust to make billions more stars, and at least ten times as much

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Confident runner happy at top of mountain

Why confidence matters

We spend a lot of time and effort developing our skills and abilities, but there’s one key element that can hold us back despite all of our efforts: our confidence.