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Natural Evil: How Good Germs Can Go Bad

It doesn't take much to turn a friendly bacterium into a killer.

Ingenious Seed Bomb "Designed by Evolution"

Red hot peppers! Can evolution "design" anything, especially a chemical bomb a plant uses to be sure its seeds get spread properly?

Unique Mammal Senses

The ability to sense the environment is vital to all living things, and is a key characteristic that separates life from non-life. The senses are not limited to the five we learn as children – sight, hearing, touch, taste, and smell. In the animal kingdom there are more. Some of them repurpose existing organs; some detect other information from the world not detectable with the normal sense organs. In mammals, two very different animals – bats and dolphins – have expanded our understanding of sensation.
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