Pest Rx

Although this parasitic wasp can kill insects, it could help save human lives.

The amazingly strong substance is created by a beetle so it can affix its eggs onto the vegetable.

The next generation of pesticides might smell as sweet as rosemary, cinnamon and thyme. There are already insect repellants on the market that contain rosemary, peppermint, cinnamon, thyme and other odiferous oils, but scientists still can't predict which extracts will work on which insects.

Teach a caterpillar a lesson, and the butterfly remembers, finds a new study on the persistence of memory.