Science Update

Video Tampering

December 10, 2003

A new system to detect whether digital video has been altered

December 9, 2003

Ground-up scrap tires can be put under golf course greens to filter out contaminants.

December 8, 2003

In Florida, draining wetlands to create crop land has led to longer and more damaging freezes.

December 3, 2003

The more you look at a face, the more you like it, and vice versa.

December 1, 2003

A battery that generates electricity from water

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 24, 2003

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

November 19, 2003

Radar telescope data shows the presence of liquid lakes on the surface of Saturn's largest moon.

November 18, 2003

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