Touchstone Archive

A lot of species are in danger of extinction, but there are a few who have made it back from the brink!

How meteorites changed our understanding of space, and why they are still important to us today!

Welcome to Biosphere 2, the closest thing to Earth… on Earth?

From insects to prairie dogs, let’s meet some of the planets more remarkable engineers.

The way that these little friends go about it is fascinating. Let’s learn how!

Did you know ancient teeth are some of the best ways to understand the lives of our human ancestors? Learn what these teeth are telling us!

The Orchid Mantis is one of nature’s most beautiful disguise artists. These creatures have found a way to fit into a unique niche in the natural world.

Did you know that Mt. Everest is still growing? Let’s explore why!

Plants are talking to each other through fungus! But how exactly does this work?

Have you ever had a song stuck in your head? Here’s why that happens and how you can stop it!

Training your nose can transform your world! Here’s how you can learn to recognize small differences in your surroundings that you wouldn’t have noticed before!

How are robots changing our lives? How long have we been making robots? Should we even be afraid of them?

You may know that coral is important, but how does it grow? These beautiful creatures are more complex than you may think!

Fruit flies have been helping us make scientific breakthroughs for years! We have a lot to thank these little friends for.