Deep male voices not so much sexy as intimidating

Male voices are not deeply pitched in order to attract female mates, but instead serve to intimidate the competition, according to a team of researchers studying a wide variety of primates including humans. “We wanted to determine if sexual selection had...

Stickleback fish adapt their vision in the blink of an eye

Stickleback fish are able to adapt their vision to new environments in less than 10,000 years, a blink of the eye in evolutionary terms, according to new research by University of British Columbia biodiversity experts. “This is a very short time scale for large...

Infections can increase diabetes risk in children

Viral respiratory infections during the first six months of life are associated with an increased risk for type 1 diabetes. This is the conclusion reached by a team of scientists at the Helmholtz Zentrum München during a study published in the current issue of the...

Comet craters — literal melting pots for life on Earth

Geochemists from Trinity College Dublin’s School of Natural Sciences may have found a solution to a long-debated problem as to where – and how – life first formed on Earth. In a paper just published in the journal Geochimica et Cosmochimica Acta, the...

Brad Pitt shares a name with a new wasp species from South Africa

Not only did an international research team discover two new endoparasitic wasp species in South Africa and India, and significantly expanded their genera’s distributional range, but they also gave a celebrity name to a special one of them. While thinking of a...

Children trust ‘smart’ characters on television

Children are more likely to learn from educational television programming if two things occur: 1) If the children believe the character on the program is knowledgeable, and 2) they are reminded to think about what they have seen on television for ideas of how to solve...

Research points to a new treatment for pancreatic cancer

Researchers have shown how controlling cholesterol metabolism in pancreatic cancer cells reduces metastasis, pointing to a potential new treatment using drugs previously developed for atherosclerosis. “We show for the first time that if you control the...

Scientists discover potentially habitable planets

Is there life beyond our solar system? If there is, our best bet for finding it may lie in three nearby, Earth-like exoplanets. For the first time, an international team of astronomers from MIT, the University of Liège in Belgium, and elsewhere have detected three...

Fat-fighting nanoparticles

Researchers at MIT and Brigham and Women’s Hospital have developed nanoparticles that can deliver antiobesity drugs directly to fat tissue. Overweight mice treated with these nanoparticles lost 10 percent of their body weight over 25 days, without showing any negative...

Researchers find that Earth may be home to 1 trillion species

Earth could contain nearly 1 trillion species, with only one-thousandth of 1 percent now identified, according to the results of a new study. The estimate, based on universal scaling laws applied to large datasets, appears today in the journal Proceedings of the...

Cleansing Rain? Not So Fast.

Most of us think of that sweet smell after a storm as the aftereffect of rain that has rinsed the air of pollutants and dust. But it turns out that rain also triggers the release of a mist of particles from wet soils into the air, a finding with consequences of its...

Genetic switch could be key to increased health and lifespan

Newly discovered genetic switches that increase lifespan and boost fitness in worms are also linked to increased lifespan in mammals, offering hope that drugs to flip these switches could improve human metabolic function and increase longevity. These so-called...

Endangered venomous mammal predates dinosaurs’ extinction

The University of Illinois and University of Puerto Rico have completely sequenced the mitochondrial genome for the Hispaniolan solenodon, filling in the last major branch of placental mammals on the tree of life. The study, published in Mitochondrial DNA, confirmed...

You may have already decided to read this article

Sometimes, decisions we believe we make consciously, such as clicking on a link on a webpage or reaching for a cup of coffee, have already been made — a trick of the mind that may happen more than we think, new research by Yale University psychologists suggest. “Our...

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