As I walked past a small, damaged cottonwood tree, I noticed an iridescent movement. It was a black beetle with numerous glimmering dots, even on its large eyes. It had an oval body, a blunt head and ...

The emerald ash borer (Agrilus planipennis) is a deceptively attractive metallic-green adult beetle with a red abdomen. But few people ever actually see the insect itself — just the trail of ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Trees are full of song. Wind clatters and ...