TOP 100 CAMPING SITES
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| Thousands of caves closed to protect bats from mysterious "white nose syndrome" One month after the U.S. Fish & Wildlife Service asked people to voluntarily stay out of caves in the Northeast to hopefully prevent the further spread of the deadly white-nose syndrome (WNS) that has already killed 500,000 bats, the U.S. Forest Service has taken things a step further, closing thousands of caves in 20 states to human activity. [More] rss.sciam.com |
The Dirt on Biofuels [Below is the original script. But a few changes may have been made during the recording of this audio podcast.]The corn growing in fields across the Midwest will find a variety of uses after harvest this fall. Much will become food, either as classic corn on the cob, or the high fructose corn syrup in soft drinks, or as the animal feed that makes burgers. [More] rss.sciam.com |
Botanists agree on DNA barcode for world's plants After four years of debate, an international team of scientists from 25 institutions has agreed to a good -- but not great – standard plant DNA barcode. [More] rss.sciam.com |
EPA Unveils New Emissions Standards for Cars The Obama administration today released details of its national suite of auto standards that would mandate increased fuel economy and impose the first-ever greenhouse gas standard on the nation's cars and trucks.The proposals are a joint effort by U.S. EPA and the Transportation Department and would go into effect with model year 2012. The standards would push corporate average fuel economy, or CAFE, standards to a fleetwide average of 35.5 miles per gallon by 2016, four years ahead of the schedule Congress laid out in a 2007 energy law. The carbon dioxide limit under the plan -- which will apply to passenger cars, light-duty trucks and medium-duty passenger vehicles -- would reach an average of 250 grams per mile per vehicle in 2016. [More] rss.sciam.com |
The Jellyfish Menace A silent, blobbing menace swarms the seas , thanks to overfishing, climate change and even "dead zones " . Jellyfish seem set to regain their dominance of the oceans in future--and that could be bad news for humans. The two-meter long jellyfish known as Nomura have begun swarming year after year off the coast of Japan, 500 million or more of them fouling fishing nets thanks to agricultural runoff from China spurring plankton blooms. With fewer fish, the Nomura giants can dominate. [More] rss.sciam.com |