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Monday, February 10, 2014

ScienceDaily: Most Popular News

ScienceDaily: Most Popular News


Europe's oldest footprints uncovered on English coast

Posted: 07 Feb 2014 10:45 AM PST

The earliest human footprints outside of Africa have been uncovered, on the English coast, by a team of scientists. Their discovery offers researchers an insight into the migration of pre-historic people hundreds of thousands of years ago when Britain was linked by land to continental Europe.

Drop in crime rates are less where Wal-Mart builds, study shows

Posted: 07 Feb 2014 10:30 AM PST

The study titled "Rolling back prices and raising crime rates? The Wal-Mart effect on crime in the United States," released last month shows that the crime decline was stunted in counties where Wal-Mart expanded in the 1990s.

'Steak-knife' teeth reveal ecology of oldest land predators

Posted: 07 Feb 2014 05:39 AM PST

The first top predators to walk on land were not afraid to bite off more than they could chew, a study has found. Researchers suggest that Dimetrodon, a carnivore that walked on land between 298 million and 272 million years ago, was the first terrestrial vertebrate to develop serrated ziphodont teeth.

Opening 'the X-files' helped researchers to understand why women and men differ in height

Posted: 07 Feb 2014 05:38 AM PST

Given its unique nature, the X chromosome has often been neglected when performing large-scale genetic studies. Because women have two copies of this chromosome and men only one, identifying genetic associations with X chromosomal genes can be particularly valuable in helping us to understand why some characteristics differ between sexes. Researchers have now identified novel X-chromosomal genetic variants that influence human height.

Fish biomass in the ocean may be 10 times higher than estimated: Stock of mesopelagic fish changes from 1,000 to 10,000 million tons

Posted: 07 Feb 2014 05:38 AM PST

With a stock estimated at 1,000 million tons so far, mesopelagic fish dominate the total biomass of fish in the ocean. However, scientists have found that their abundance could be at least 10 times higher. The results are based on the acoustic observations conducted during the circumnavigation of the Malaspina Expedition.

Toxin in seafood causes kidney damage in mice at levels considered safe for consumption

Posted: 07 Feb 2014 05:36 AM PST

Domoic acid accumulates in seafood and is toxic to the brain. Research indicates that the toxin damages kidneys at concentrations that are 100 times lower than what causes neurological effects.

Study shows yogurt consumption reduces the risk of type 2 diabetes

Posted: 05 Feb 2014 03:47 PM PST

New research shows that higher consumption of yogurt, compared with no consumption, can reduce the risk of new-onset type 2 diabetes by 28 percent. Scientists found that in fact higher consumption of low-fat fermented dairy products, which include all yogurt varieties and some low-fat cheeses, also reduced the relative risk of diabetes by 24 percent overall.

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