Why do crickets chirp?

Why did the dinosaurs go extinct? Many of you have learned about the meteorite that scientists say hit the earth 66 million years ago and killed off many dinosaur species. But some dinosaurs survived, and the birds you see flying around today are their direct descendants! In this ...  Show more

Why are brothers and sisters so annoying? Why do siblings often look a lot alike? Why do siblings fight? Can your sister be your best friend? Why do we fight with our siblings even if we love them? But Why takes a look at the sibling relationship with Susan Dominus, author of The ...  Show more

There are about 10 quintillion insects in the world. Yes, that's a real number. And it's a lot! They're very small and very different from us humans. We might not stop to think about it before we poison a cockroach, squish an ant with our shoe, or kill a mosquito, but is it ethic ...  Show more

Vous avez peut-être remarqué que, même si le temps tourne à la pluie, les insectes continuent souvent à voler. Mais comment font ces êtres minuscules pour passer entre les gouttes d'eau ?

Des moustiques sous la pluie

Des chercheurs américains ont voulu en a ...

Chiggers are tiny little mites capable of making your life miserable. Worse than mosquitoes? Maybe. But they aren't insects - mites are actually part of the arachnid family and behave a little like ticks. Learn all about these nearly invisible pests in today's episode.

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You can find micro-animals just about everywhere. They’re on your face and in your hair. They’re in puddles and in soil. One of the most famous of these microscopic creatures is the tardigrade.

This episode zooms in on these adorable little animals, also k ...