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Deepness of Male Voice Evolved from Competition over Dominance, Not Mates

April 27, 2016 2:46 pm | by Lauren Scrudato, Associate Editor | News | Comments

A three-part study suggests that the deep voices of primates, including humans, evolved to intimidate rival males, not as a tactic to attract potential mates.

Fireflies Light the Way to Female HIV Transmission

April 27, 2016 2:29 pm | by Northwestern University | News | Comments

Finding the vulnerable points where HIV enters the female reproductive tract is like searching for needles in a haystack. But scientists have solved that challenge by creating a glowing map of the very first cells to be infected with a HIV-like virus.

Femur Bone Shows Hominins were Food Option for Carnivores

April 27, 2016 2:26 pm | by Public Library of Science | News | Comments

Tooth-marks on a 500,000-year-old hominin femur bone found in a Moroccan cave indicate that it was consumed by large carnivores, likely hyenas.

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Fossil Horses Explain Evolution of Running

April 27, 2016 2:19 pm | by Harvard University | News | Comments

Modern horses are expert runners. They reach top speeds using a special running gait in which they hold their back stiff as they move. A new study reveals that tiny fossil ancestors of modern horses may have moved quite differently.

Can Just One Minute of Intense Exercise Produce Health Benefits?

April 27, 2016 2:08 pm | by McMaster University | News | Comments

Researchers have found that a single minute of very intense exercise produces health benefits similar to longer, traditional endurance training. The findings put to rest the common excuse of "there is not enough time."

Creating a Reduced-fat Chocolate that Melts in Your Mouth

April 27, 2016 2:02 pm | by American Chemical Society | News | Comments

Chocolate is divinely delicious, mouthwateringly smooth and unfortunately full of fat. But reducing the fat content of the confection makes it harder and less likely to melt in your mouth.

Genetic Markers that Influence Addiction Identified in Rat Study

April 27, 2016 9:51 am | by University of Michigan Health System | News | Comments

Why does one person who tries cocaine get addicted, while another might use it and then leave it alone? Why do some people who kick a drug habit manage to stay clean, while others relapse?

Machines Trained to Make Clinical Trials More Successful

April 27, 2016 9:45 am | by Cincinnati Children's Hospital Medical Center | News | Comments

Scientists are teaching computers to figure out why people accept or decline invitations to participate in clinical trials. Recruiting sufficient numbers of participants is a current challenge in medical research that can compromise results.

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Norovirus Costs $64 Billion a Year Worldwide

April 27, 2016 9:37 am | by Johns Hopkins Bloomberg School of Public Health | News | Comments

While norovirus is often linked in the news to outbreaks on cruise ships, the highly contagious stomach bug sickens nearly 700 million around the world every year and results in roughly $4.2 billion in health care costs and $60.3 billion in societal costs annually.

One Percent of Nanoparticle-based Drugs Reach Tumors, Study Shows

April 27, 2016 9:31 am | by University of Toronto | News | Comments

Targeting cancer cells for destruction while leaving healthy cells alone—that has been the promise of the emerging field of cancer nanomedicine. But a new meta-analysis indicates that progress so far has been limited.

Japanese Priests, Finnish Fishermen Show Climate Change Through 570 Years of Ice Records

April 27, 2016 9:18 am | by Seth Augenstein, Digital Reporter | News | Comments

Meticulous records kept by Shinto priests and Finnish fisherman show a warming world over a number of centuries, according to a new study. The “citizen scientists” marked the dates when lakes and rivers would freeze in the winter, then break up again for spring.

Hubble Telescope Finds Tiny Moon Orbiting Dwarf Planet

April 27, 2016 9:07 am | by Associated Press, Marcia Dunn | News | Comments

The Hubble Space Telescope has detected a tiny, dark moon circling the dwarf planet on the frozen fringes of our solar system. Scientists announced the discovery by some members of the team that spotted Pluto's smaller moons years ago.

Pipette Includes Quick Volume Adjustment

April 26, 2016 4:36 pm | by INTEGRA Biosciences AG | Product Releases | Comments

The EVOLVE manual pipette range from INTEGRA features three adjustable dials for setting each individual volume digit.

Skull of New Dino Species Shows Small Brain, Heightened Senses

April 26, 2016 3:57 pm | by Public Library of Science | News | Comments

Scientists have discovered Sarmientosaurus musacchioi, a new species of titanosaurian dinosaur, based on a complete skull and partial neck fossil unearthed in Patagonia, Argentina.

CSIRO Expected to Change Plan to Cut Climate Change Staff

April 26, 2016 2:59 pm | by Seth Augenstein, Digital Reporter | News | Comments

CSIRO, one of Australia’s most prestigious science organizations, is reportedly reconsidering its decision to cut much of climate science staffing – just in time for the Australian Senate’s inquiry to widen this week.

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