
How to Use the Bathroom on a 20-Hour Plus Solar Airplane Flight [Video]
David Biello is a contributing editor at Scientific American.

How to Use the Bathroom on a 20-Hour Plus Solar Airplane Flight [Video]

What Role Does Climate Change Play in Tornadoes?
A climate scientist reflects on what global warming means for extreme weather

Fracking Can Be Done Safely, but Will It Be?
Fracking for natural gas doesn’t have to be an environmental disaster, says a new report

400 PPM: Can Artificial Trees Help Pull CO2 from the Air?
Although capture technologies show promise, pulling CO2 out of the air is unlikely to reduce greenhouse gas concentrations soon

400 PPM: Carbon Dioxide in the Atmosphere Reaches Prehistoric Levels

Airplane to Fly across U.S. Powered by Sunshine [Slide Show]
Employing novel engineering, materials and psychology, a Swiss team will attempt to soar coast to coast this summer

Doughnuts Dusted with Nanopowder? Blech!
Doughnuts dusted with nanopowder? Blech! But is it harmful?

Recommended: The Power Surge
Books and recommendations from Scientific American

3,000 Years of Abusing Earth on a Global Scale
A new perspective emanating from archaeology and ecology suggests that humanity has spent thousands of years making widespread and profound changes to the "natural" world

EPA on Keystone XL: Significant Climate Impacts from Tar Sands Pipeline

Gut Microbe Makes Diesel Biofuel
Reconfiguring the genetics of the food pathogen E. coli produces hydrocarbons indistinguishable from those burned in trucks

Is High-Tech Security at Public Events Counterproductive?
High-security measures of public events like the Boston Marathon may not be feasible--and they could make things worse

Keystone XL Oil Pipeline Exacerbates Climate Change
A new study suggests that permitting more tar sands oil to flow would raise greenhouse gas pollution by the equivalent of nearly 40 million cars and trucks

Can Evolution Beat Climate Change?
The purple sea urchin may be able to evolve to cope with ocean acidification, but that does not mean other species will be able to mimic the trick

Why Jim Hansen Stopped Being a Government Scientist [Video]

Does Tar Sand Oil Increase the Risk of Pipeline Spills?
Recent pipeline spills may have been caused by the combination of aging infrastructure and new types of oil

New Extremophile Breathes Rocket Fuel

Climate Change Future Suggested by Looking Back 4 Million Years

Blinded by the Light: Wrecked Up by Our Juice, Another Citizen of the Night [Slide Show]
Light pollution is blurring out the night sky

Nanowire Solar Cells May Be Cheaper and More Powerful
New nanowire solar cells achieve record efficiency

How Daylight Helps the New York Times Save Energy
Using daylight to save electricity seems obvious, but few office buildings do it

Can the World Afford Cheap Water?

Oil Addiction, Not Fracking, Caused the 2011 Oklahoma Earthquakes

Efforts to Resuscitate Extinct Species May Spawn a New Era of the Hybrid
What does de-extinction mean for biology and the environment?