Silk is a truly amazing fiber naturally produced by moths, caddisflies, some flies, ants, bees, and grasshoppers, as well as spiders. If you have seen a spider abseil from their web, you are familiar with dragline silk, one of several types of silk a spider... click to read more

Have you taken an antibiotic lately? You're not alone. Almost one in two people will have been dosed with an antibiotic over the last year. Unfortunately, all this antibiotic use is causing the bacteria to become more and more resistant to the drug's effects. We... click to read more

Since Yellowstone National Park became the world's first nationally designated protected area in 1872, nations around the world have created more than 200,000 terrestrial protected areas. Clumped together they would cover all of Latin America - from Mexico to the southern tip of Chile -... click to read more

Our intestine is inhabited by a large and diverse community of microbes, collectively referred to as the gut microbiota, composed of more than a thousand different species. We (the host) and our microbiota coexist for better or worse. On one hand, maintaining a healthy relationship... click to read more

The horse family, which includes horses, zebras, and donkeys, is more than 50 million years old. During its early years, members of this group were the size of dogs and had three toes. Over time, they became the large, one-toed animals we know today. But... click to read more