Good

Water-Powered Battery

December 1, 2003

A battery that generates electricity from water

November 28, 2003

Thinking about exercise builds bigger muscles, and exercising improves mental health.

November 27, 2003

Cranberry bogs can be used as fish farms.

November 26, 2003

A bird called the cassowary emits calls lower than the level of human hearing.

November 25, 2003

Where does tire rubber go when the tire wears out? (Pieces get airborne or washed into streams.)

November 24, 2003

Testing underwater sounds on fish to lure them away from hydroelectric dams

November 21, 2003

Thinning arctic ice threatens polar bear habitat, and the reintroduction of wolves is improving the …

November 20, 2003

rerun

November 18, 2003

Animals that change sex usually do it at 72 percent of their maximum size.

November 17, 2003

A new model showing that the Big Bang occurred inside the opposite of a black hole

November 14, 2003

Delaying breast cancer with exercise and weight control, and genes associated with …

November 13, 2003

Why don't pictures of space show any stars? (Shutter speed not long enough.)