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Joanna Aizenberg's muse is the whole of the natural world. The Harvard University materials scientist takes her inspiration from creatures that suggest engineering of substances in unexpected ways.

Encroaching seas have eroded southeastern Louisiana.

* Snowfalls expected to ease on Thursday evening * PM says priority is to rescue bus passengers [More]

Children living near DuPont’s plant in West Virginia are exposed to much higher concentrations of an industrial chemical than their mothers, according to a newly published study. [More]

When it comes to the battle of the bulge, putting on more muscle will burn extra calories even when you're resting. But recent research suggests that there might be a particular type of fat that also uses up more energy than the typical off-white stuff that tends to congregate around American midsections: brown fat

It’s known that taller people tend to have more jobs with more authority--and higher salaries.

Image courtesy of iStockphoto/energyy Heart disease is the leading killer in the U.S., and more than 27 million Americans currently have a cardiac condition . But what is your risk of developing heart disease at some point in your entire life? It might be a lot higher than you think, according to a new paper published online Wednesday in The New England of Medicine

Welcome to the Scientific American podcast Science Talk, posted on January 25th, 2012. I’m Steve Mirsky

Time and again humans have domesticated wild animals, producing tame individuals with softer appearances and more docile temperaments, such as dogs and guinea pigs. But a new study suggests that one of our primate cousins--the African ape known as the bonobo --did something similar without human involvement.

President Obama mentioned climate change almost in passing during last night's State of the Union address, noting: "The differences in this chamber may be too deep right now to pass a comprehensive plan to fight climate change." [More]

What is time? It begins, it ends, it s real, it s an illusion. It s the ultimate paradox.

On January 23 the U.S. Supreme Court ruled unanimously that law enforcement authorities do not generally have a right to affix a GPS tracking device to a suspect's car without first obtaining a valid warrant.

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By Jo Marchant of Nature magazine Brendan Foley peels his wetsuit to the waist and perches on the side of an inflatable boat as it skims across the sea just north of the island of Crete. [More]

Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s disease, is a progressive neuromuscular disease that affects about 130,000 people worldwide a year. The vast majority of patients are isolated cases with no known family history of the disease.