X-Chromosomes
Gene activity on the X-chromosome varies widely from woman woman.
Cassette
Bugs with Bugs
Bacteria on a wasp's antennae prevent infection in baby wasps, and bacteria inside nematodes kill …
Ocean Floor
The muck on the bottom of the ocean helps keep the environment healthy.
Teen Smoking
Only one of eight in-school smoking prevention programs had any long-term impact.
Musical Meters
People raised in North America can't process complex rhythms as well as Eastern Europeans.
Finger Length
Men with more dramatic differences in the lengths of their fingers are more aggressive.
Old Dog Roundup
Old dogs stay mentally sharp with a healthy diet and stimulating environment, and people who perform …
Dirt Appreciation
Creatures that live underground prevent the world from being a stinking cesspool.