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Last of river-swimming Alaska whales found dead

ANCHORAGE, Alaska (Reuters) – A young killer whale that wandered far up an Alaska river with two adult companions has been found dead near the river’s mouth, the National Oceanic and Atmospheric Administration said on Sunday. Discovery of the dead juvenile means that all three of the whales discovered swimming…

Climate change is making many plants and animals smaller: study

By Marlowe Hood PARIS — Climate change is reducing the body size of many animal and plant species, including some which supply vital nutrition for more than a billion people already living near hunger’s threshold, according to a study released Sunday. From micro-organisms to top predators, nearly 45 percent of…

Doctors recommend evaluating children for ADHD at age four

NEW YORK (Reuters Health) – The American Academy of Pediatrics this weekend expanded its guidelines for diagnosing and treating kids with attention-deficit hyperactivity disorder, recommending that doctors evaluate all patients aged four to 18 who show signs of the condition. The new guidelines update decade-old recommendations that focused on diagnosing…

Head injury blamed in death of high school football player

(Reuters) – A high school football player died after he suffered a head injury during a varsity game in central New York late on Friday, the schools said. A lineman from the visiting Phoenix Central School District suffered a head injury in a collision in the third quarter of a…

Group planning by bacteria may affect Earth’s climate

The type of consensus decision-making carried on at the Occupy Wall Street protest may go back almost to the origin of life on Earth. Scientists at the Woods Hole Oceanographic Institution have discovered that bacteria make group decisions as well. Not only that, but these collective decisions appear to influence…

Study: FDA allowed oil-tainted seafood onto market

A peer-reviewed study released this week has concluded that the government’s safety testing methodologies for Gulf of Mexico seafood were insufficient to prevent oil-tainted animals from being sold in U.S. supermarkts. Produced by the Natural Resources Defense Council (NRDC) and published in the journal Environmental Health Perspective, the study concludes…

Tokyo radiation caused by ‘old radium bottles’

A Tokyo radiation hotspot was not linked to the Fukushima nuclear crisis, Japanese authorities concluded Friday after finding old containers of radium powder likely used for luminous paint. As researchers carry out more stringent tests to map how far contamination has spread from the crippled Fukushima atomic power plant, local…

Table salt used to boost digital storage: scientists

Scientists in Singapore said Friday they have discovered a process that can expand the data storage capacity of computer hard disks six-fold using a common kitchen ingredient — table salt. The discovery was made by Singapore’s national research institute the Agency for Science, Technology and Research, in collaboration with the National University of Singapore and the Data…

T. rex was bigger than thought: study

CHICAGO — The iconic T. rex dinosaur grew bigger and faster than previously estimated, according to new methods based on actual skeletons instead of scale models, British and US scientists said Wednesday. Scientists digitally modeled flesh on five mounted T. rex skeletons and showed that the meat-eating lizard kings were…

Why the Black Death was the mother of all plagues

Plague germs teased from mediaeval cadavers in a London cemetery have shed light on why the bacterium that unleashed the Black Death was so lethal and spawned later waves of epidemics. The DNA of Yersinia pestis shows, in evolutionary terms, a highly successful germ to which the population of 14th-century…

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