
Sound Barrier: Can High-Power Ultrasound Protect Produce from Pathogens?
A litany of food scares--and rules for organic produce--have pushed the industry to seek new solutions for food safety

Sound Barrier: Can High-Power Ultrasound Protect Produce from Pathogens?
A litany of food scares--and rules for organic produce--have pushed the industry to seek new solutions for food safety

Global Energy Hunger Leaves Little Room to Displace Dirty Fuels
One of the promises of renewable energy is its ability to displace polluting fossil fuels, but is it fulfilling that pledge? David Biello reports


Green Laser Erases Print
Quick bursts of green laser light can erase print, without damaging or discoloring the paper. Karen Hopkin reports

India Balks at Greenhouse Gas Emission Cuts
The developing nation's interpretation of climate change talks in Durban suggests it will not act to curb climate changing emissions

Living Plastic Eats Spilt Food
Researchers impregnate layers of plastic with fungus to produce a living--and self-cleaning--material. David Biello reports

Carnivores Make Low Estimates of Animal Minds
Meat eaters selectively deny mental abilities in the animals they consume

A Figurative War to Replace a Real One
Curbing methane and soot may be a fast, if incomplete, way to slow global warming

How Hospital Gardens Help Patients Heal
Hospital gardens turn out to have medical benefits

Is the Keystone Pipeline a Shortcut to Catastrophic Climate Change?
The Keystone XL pipeline wouldn't be a major environmental calamity, but oil addiction is. David Biello reports

What Does a Coup in the Maldives Mean for Climate Change?
The fate of an island chain's president may mean more--or even less--progress to combat climate change. David Biello reports

How to Make Electricity Using Plants and Sunshine
A new system combines the power of plants and photovoltaics to make solar power cheap and durable. David Biello reports

Signs Boost Stair Climbing
Putting up signs can increase stair use versus elevator riding by more than 40 percent. Cynthia Graber reports