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Predators Can Stress Prey To Death

A hungry fish can kill prey with a quick bite. That is, of course, if its prey hasn't already died of fright. Take tasty dragonflies.

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Magnetic Cows Finding Disputed by Researchers

By Daniel Cressey of Nature magazine In 2008, the world's media was captivated by a study apparently showing that cows like to align themselves with magnetic fields. [More]

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November 2011 Advances Section Additional Resources

The Advances section of Scientific American 's November issue took readers into the air with the world's highest flying geese, back in time with an unlikely ancestor, into space to rendezvous with some garbage, to the Internet for a new way of conducting clinical trials, and beyond. For readers interested in learning more about the developments described in this section, a list of further background material follows: "On the Trail of Space Trash" [More]

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Dangerous Volcano Spurs Rival Nations to Cooperate (preview)

The serene waters of sky pond, one of the most popular tourist attractions in northeastern Asia, belie the fact that it is nestled inside the crater of one of the region’s most dangerous volcanoes--a peak known as Changbai Mountain to the Chinese and Mount Paektu to Koreans. That 2,744-meter-tall volcano, which straddles the border between China and North Korea, last erupted in 1903 but has displayed signs of awakening in recent years.

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China Official Says Air Pollution Rules Too Lax

BEIJING (Reuters) - China's air pollution standards are too lax, a senior environment official said in comments published on Friday, the highest level comment following complaints that authorities are understating the extent of smog that often envelops Beijing. The level of air pollution in the capital varies, depending on winds. But in recent weeks, a cocktail of smokestack emissions, vehicle exhaust, dust and aerosols have blanketed the city in a pungent, beige shroud for days on end, prompting residents to denounce official readings of "slight" pollution as a gross undercount

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Fresh Start: Scientists Glimpse Unsullied Traces of the Infant Universe

By peering into the distance with the biggest and best telescopes in the world, astronomers have managed to glimpse exploding stars, galaxies and other glowing cosmic beacons as they appeared just hundreds of millions of years after the big bang.

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Should Gay, Endangered Penguins Be Forced to Mate?

What do you do when a species is rapidly disappearing in the wild and two of its most likely in-captivity studs decide to cuddle with each other instead of with eligible bachelorettes? That’s the problem Toronto Zoo is encountering this week as two endangered male African penguins ( Spheniscus demersus ) recently brought to the zoo for breeding purposes seem more concerned with spending time with one another than with two eager females. [More]

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EPA Finds Fracking Compound in Wyoming Aquifer

As the country awaits results from a nationwide safety study on the natural gas drilling process of fracking, a separate government investigation into contamination in a place where residents have long complained that drilling fouled their water has turned up alarming levels of underground pollution. A pair of environmental monitoring wells drilled deep into an aquifer in Pavillion, Wyo., contain high levels of cancer-causing compounds and at least one chemical commonly used in hydraulic fracturing, according to new water test results released yesterday by the Environmental Protection Agency. [More]

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