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Studies and Analyses

Preschoolers Use Statistics to Understand Others

In one experiment, children aged 3 and 4 saw a puppet named “Squirrel” remove five toys of the same type from a container full of toys and happily play with…

Environmental Conservation

Kihansi spray toads make historic return to Tanzania

In a bold effort to save one of the world's rarest amphibians from extinction, one hundred Kihansi spray toads have been flown home to Tanzania after being…

Studies and Analyses

Study examines risks, rewards of energy drinks

“Energy drinks typically feature caffeine and a combination of other ingredients, including taurine, sucrose, guarana, ginseng, niacin, pyridoxine and…

Health & Medicine

Building a bridge with cross-cultural cancer education

“Medical interventions fail if the intervention does not match the community's level of readiness to address the issue,” says Tracy Schroepfer, an assistant…

Life & Chemistry

Mother of all humans lived 200,000 years ago

The most robust statistical examination to date of our species' genetic links to “mitochondrial Eve” — the maternal ancestor of all living humans — confirms…

Studies and Analyses

Astronaut muscles waste in space

This is the equivalent of a 30- to 50-year-old crew member's muscles deteriorating to that of an 80-year-old. The destructive effects of extended…

Life & Chemistry

Saving the Brain's White Matter with Mutated Mice

Vanishing White Matter (VWM) disease is a devastating condition that involves the destruction of brain myelin due to a mutation in a central factor.To…

Health & Medicine

New mechanisms of tumor resistance to targeted therapy in lung cancer are discovered

One of the most tantalizing developments in anti-cancer therapy over recent years has been the advent of targeted treatments, which have proven highly…

Studies and Analyses

CLASS Act Analysis Reveals America’s Long-Term Care Future

With funding from The SCAN Foundation, this installment of PPAR features seven articles that recount the origins of the CLASS Act, analyze the legislation’s…

Agricultural & Forestry Science

B vitamins and the aging brain examined

U.S. Department of Agriculture (USDA) nutritionist Lindsay H. Allen has collaborated in ongoing research that has taken a closer look at the role these…

Earth Sciences

Discovery of Possible Earliest Animal Life Pushes Back Fossil Record

Scientists may have discovered in Australia the oldest fossils of animal bodies. These findings push back the clock on the scientific world's thinking…

Earth Sciences

NASA satellites see Tropical Depression 5's remnants giving the Gulf a wet encore

TD5 has been around the Gulf of Mexico for a week as of today, August 17. That's a long life for a tropical system. TD5 formed on August 10 and never made it…

Physics & Astronomy

Eclipsing Pulsar Sheds Light on Crushed Matter Mysteries

The pulsar is a rapidly spinning neutron star — the crushed core of a massive star that long ago exploded as a supernova. Neutron stars pack more than the…

Studies and Analyses

MRSA Policies Vary Across U.S. Hospitals, Study Reveals

Researchers sent a 61-item questionnaire to pharmacy directors at 263 acute-care hospitals in the U.S. to learn of their policies and practices regarding…

Physics & Astronomy

UCLA Physicists Uncover Cosmic Accelerators in Our Galaxy

The research is published Aug. 20 in the journal Physical Review Letters.Cosmic rays of the highest energies were believed by physicists to come from remote…

Studies and Analyses

Moderate Chocolate Intake May Lower Heart Failure Risks

Middle-aged and elderly Swedish women who regularly ate a small amount of chocolate had lower risks of heart failure risks, in a study reported in Circulation:…

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