Chicken Feather Roundup
Chicken feathers could provide an efficient new way to store hydrogen fuel.
Improving Geothermal
Chemical innovations could make geothermal power a bigger player in alternative energy.
Rammed Earth
The right amount of water can make a green building material super-sturdy.
Podcast
NEWS FROM SPACE: Mercury's mystery side unveiled, to be or not to be a supernova, and the environmental considerations of expanding space exploration.
Compact Fluorescent Lightbulbs
The amount of mercury in a CFL bulb does not pose much of an environmental hazard.
Rockets & Ozone
Possible increases in rocket launches could affect the Earth's protective ozone layer.
Server Naps
Programming big computer servers to shut on and off in fractions of a second could save huge amounts of power.
Podcast
How sleep affects your long-term memory, nap-time for computers saves energy and how we smell fear in people - literally.
Storing Wind Energy
Engineers have developed a new way to make wind power more reliable.
Global Warming
A listener asks: If it's so cold outside this winter, how can we be experiencing global warming?
Little Ice Age
Widespread disease epidemics in the Americas may have set off a period of global cooling in the past.
Tech Energy Roundup
Portable electronic devices could soon be charged by vibrations from your own body.
Podcast
CLIMATE CHANGE: A listener asks: How can it be "global warming" when it's so cold outside? And the chilling effects of deadly disease on the climate of the past.
Podcast
TECHNOLOGY UPDATE: Could sunscreens be more than skin deep? Why headphones and pacemakers don't mix and a new use for electric cars.
Podcast
Learning from electric eels, the roots of ticklishness, the health benefits of web surfing and maternal vaccines that protect babies.
Ethanol Bacteria
A genetically engineered bacterium produces ethanol from cellulose.
Energy Roundup
New technology could yield alternative energy sources from water.
New Energy
A Nobel laureate says the key to solving the energy crisis is to take bold, risky steps and seek diverse solutions.
Most Powerful Laser
The world's most powerful laser can create miniature stars right in the laboratory.