Wave power

Wave power

The first ocean wave energy-capturing device with a permit to connect back to a public power grid will enter the Pacific next month. More »

Fuel Faves: Coffee meets diesel!

Fuel Faves: Coffee meets diesel!

Oils in spent coffee grounds are easily converted into biodiesel — a renewable source of transportation energy. Bottoms up for More »

Science Meets Sports

Science Meets Sports

The Why Files looks at kinesiology, sports medicine, psychology and some ancient Olympic history, brought to life. More »

Understanding Volcanoes

How do volcanoes work (p. 2)? How do we predict them (p. 3)? How do they change the landscape (p. 4)? How does life return after the More »

Ancient Universe Seen

Astronomers have just seen galaxies from the first billion years of the universe. They are also racing to understand dark energy, the More »

Nuclear Wizard Dies

Edward Teller helped invent the hydrogen bomb, then pushed missile defense. By public advocacy and secret research, he changed the 20th More »

Tornadoes: Power & Fury

Darlene Young reacts to the devastation around her house in Pierce City, Mo., Monday, May 5, 2003, the day after the town was hit by a tornado. Young says her house was spared destruction by a church next to it that took the brunt of the winds. (AP Photo/John S. Stewart)

Tornadoes kill 60 Americans each year. How do we predict tornadoes? How do we make houses safer? Where do tornadoes get their energy? More »