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. How much power could the U.S. potentially harness from the waves crashing into its the coastline? According to researchers, wave energy might be one of our best renewable resources. 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 CofFuel? More »

Life during the “other” Big Bang!

Did the arrival of 4,000,000,000,000,000,000 tons of space junk start the formation of organic molecules roughly 4 billion years ago? “Could be,” says a new study from Japan… More »

It’s snow-time! Dig into our all-flake, no fake feature!

Frosty questions: Are some snowflakes identical? How do flakes form, and how does weather affect their shape? How does ice in the atmosphere affect weather and climate? And where does the jet stream fit in this picture? More »

New plug-in hybrid claims 640 miles per tank

New plug-in hybrid claims 640 miles per tank

Plug-in hybrids mean more than just extra spending cash for drivers, though. They could offer a new path through the maze of the electric grid, and help to boost the use of alternative energy. More »

Can Ethanol Replace Gasoline? Should it?

Can Ethanol Replace Gasoline? Should it?

Global warming gets worse. Petroleum grows scarce. Should we start making biofuels bigtime? If so, should we get the ethanol from corn, or from plant wastes? 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 eruption (p. 6)? 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 force that’s spreading the universe apart. 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 century. 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 »