
Smog Can Make People Sick, Even Indoors
When the air is thick with pollution, "sick building" complaints become more common
David Biello is a contributing editor at Scientific American.

Smog Can Make People Sick, Even Indoors
When the air is thick with pollution, "sick building" complaints become more common

Geophysicists Urge Steep Cuts in Greenhouse Gas Emissions
The American Geophysical Union says massive reductions in greenhouse gases will be needed—and scientists should speak up about it

1,000 Genomes Project: Expanding the Map of Human Genetics
Researchers hope the effort will speed up the discovery of many diseases's genetic roots

Virgin biofuelled flight: T-minus one month and counting...

Wild Green Yonder: Flying the Environmentally Friendly Skies on Alternative Fuels
From liquid coal to biofuels, military and commercial aviators are searching for domestically sourced, cost-effective and clean alternatives to petroleum-derived jet fuel

Of Ants, Elephants and Acacias: A Tale of Ironic Interdependence
Without large grazing herbivores to eat them, acacia trees suffer because of a shift in the ant populations they house

Grass Makes Better Ethanol than Corn Does
Midwestern farms prove switchgrass could be the right crop for producing ethanol to replace gasoline

Sunbathing: good or bad?

Lethal injection doubts reach Supreme Court

Signs of a Green Revolution

New Power Plant Aims to Help Coal Clean Up
A "clean coal" power plant is set to be built in Illinois in 2009; if it works, it could help avoid catastrophic global warming

Letting Microbes Do the Dirty Work—Not to Mention Boost Energy, Reduce Greenhouse Gas Emissions
Microbes can convert oil into methane and scientists may have figured out how to harness the process

Shake, Rattle and Respond: Early Warning System for Earthquakes
By analyzing earthquakes when and where they strike, a computerized system could save lives

Culture Speeds Up Human Evolution
Analysis of common patterns of genetic variation reveals that humans have been evolving faster in recent history

Fishing for Profits: Reduced Catch Means Net Gain for Fishers—And Fish
The more robust a given population of fish, the more money fishers can hook

What Is the Best Age Difference for Husband and Wife?
By marrying a woman 15 years younger, preindustrial Sami men maximized their surviving offspring

Bali begins: what does your climate treaty look like?

Nature's climate talks, or is the web a climate savior or climate doom?

Thunder, Hail, Fire: What Does Climate Change Mean for the U.S.?
The regional effects range from more wildfires in the west to stronger storms in the east.

The Secret to a Longer (Worm's) Life: A Breath of Poison Gas
Small quantities of toxic hydrogen sulfide in the air lengthen life in a nematode by 70 percent

A Stash in Every Flush
Chemical signatures in sewage may reveal the truth about drug use

Biodiesel Takes to the Sky
An unmodified Czechoslovakian jet flew burning nothing but cooking oil

10 of America's Most Imperiled Birds [Slideshow]
Loss of habitat and climate change are pushing 178 species toward extinction in the continental U.S.

Climate change conundrum