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Tall, 35-Year-Old Men Seem More Dominant

August 19, 2015 2:00 pm | by Univ. of St Andrews | News | Comments

A study shows that simple increases in a man's height and being the right age automatically makes them appear more dominant. The research sheds light on why Hollywood directors might choose certain actors to play leading roles.

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You Can Achieve Better Health Care Through Biotechnology

August 19, 2015 12:28 pm | by Michelle Taylor, Editor-in-Chief and Jon Dipierro, Multimedia Production | Videos | Comments

In this short video, hear from Stanford bioengineering doctoral student Nate Cira on how today's biotechnology advances will impact tomorrow's health care. With more widespread use of biological equipment, and the decentralization of major resources, people will become increasingly cognizant how biology's impact on their health. 

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NASA, UC Irvine Researchers Look at Amazon Fires Link to Hurricanes, 10 Years After Katrina

August 19, 2015 10:59 am | by Map of Katrina. Image: NASA’s Goddard Space Flight Center | News | Comments

Ten years ago today, New Orleans was hot and humid, as it is every summer. But the Big Easy was 10 days out from one of the worst disasters in U.S. history. A decade later, scientists are still trying to better understand long-term weather patterns. Now, climate scientists have found a strong north-south link between tropical hurricane development and fires in the Amazon rainforest.

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Agricultural Intervention Improves Food Security, HIV Outcomes

August 19, 2015 7:00 am | by UC San Francisco | News | Comments

A multifaceted farming intervention can reduce food insecurity while improving HIV outcomes in patients in Kenya. A study found that participants in the intervention arm, who received agricultural and financial support, were able to increase the quantity and quality of food consumed. At the same time, their CD4 T-cell counts increased and their rate of viral suppression increased by about one half.

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Human Brain Model is a ‘Brain Changer’

August 19, 2015 7:00 am | by The Ohio State Univ. | News | Comments

Scientists have developed a nearly complete human brain in a dish that equals the brain maturity of a five-week-old fetus. The brain organoid, engineered from adult human skin cells, is the most complete human brain model yet developed. About the size of a pencil eraser, it has an identifiable structure and contains 99 percent of the genes present in the human fetal brain.

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Hot Chili May Be Treatment for Obesity

August 19, 2015 7:00 am | by Univ. of Adelaide | News | Comments

Researchers have discovered a high-fat diet may impair important receptors located in the stomach that signal fullness. The scientists investigated the association between hot chili pepper receptors in the stomach and the feeling of fullness, in laboratory studies.

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Engineers Learn How Underwater Surfaces Stay Dry for Months

August 19, 2015 7:00 am | by Northwestern Univ. | News | Comments

Imagine staying dry underwater for months. Now, engineers have examined a wide variety of surfaces that can do just that— and, better yet, they know why. The research team is the first to identify the ideal "roughness" needed in the texture of a surface to keep it dry for a long period of time when submerged in water.

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Tree of Life May Be Closer to a Bush

August 19, 2015 7:00 am | by Uppsala Univ. | News | Comments

New species evolve whenever a lineage splits off into several. Because of this, the kinship between species is often described in terms of a “tree of life,” where every branch constitutes a species. Now, researchers have found that evolution is more complex than this model would have it, and that the tree is actually more akin to a bush.

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Test Quickly Diagnoses Ebola, Dengue, Yellow Fever

August 19, 2015 7:00 am | by ACS | Videos | Comments

To facilitate diagnosis in remote, low-resource settings, researchers have developed a paper-based device that changes color, depending on whether the patient has Ebola, yellow fever or dengue. The test takes minutes and does not need electricity to work.

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Pinky Bone, 1.84 Million-Years-Old, is Oldest Modern Human Hand Feature Yet, Scientists Say

August 18, 2015 4:36 pm | by Seth Augenstein, Digital Reporter | News | Comments

A pinky bone found in Tanzania has been dated to 1.84 million years. It looks very much like a modern human’s– and is the earliest such indication of modern-like hands capable of using tools.

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Mass Grave in Europe Shows Evidence of Prehistoric Massacre

August 18, 2015 2:20 pm | by Seth Augenstein, Digital Reporter | News | Comments

Some 7,000 years ago, a prehistoric war was marked with mass graves, the victims killed by smashed skulls, arrow wounds and even smashed shin bones. The 26 victims at the Stone Age grave site near Frankfurt, Germany, are evidence of a lethal crisis of the first Central European farmers of the Early Neolithic Linearbandkeramik Culture.

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Meteorite Impacts May Be Key to DNA Building Blocks

August 18, 2015 2:00 pm | by Tohoku Univ. | News | Comments

A new study shown that meteorite impacts on ancient oceans may have created nucleobases and amino acids. Researchers discovered this after conducting impact experiments simulating a meteorite hitting an ancient ocean.

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Paleobotanists May Have Found Mythical 'First Flower'

August 18, 2015 2:00 pm | by Indiana Univ. | News | Comments

Paleobotanists have identified a 125 million- to 130 million-year-old freshwater plant as one of earliest flowering plants on Earth. The finding represents a major change in the presumed form of one of the planet’s earliest flowers, known as angiosperms.

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Plan Aims to Sow Seeds of Hope After Natural Disasters

August 18, 2015 2:00 pm | by Associated Press, Keith Ridler | News | Comments

Federal authorities announced a plan this week to produce massive quantities of seeds from native plants that can be quickly planted to help land recover from natural disasters such as wildfires and hurricanes. The program will make landscapes more resilient and healthier, especially Western rangelands where massive wildfires have been an increasing problem.

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Dogs Evolved with Climate Change

August 18, 2015 2:00 pm | by Brown Univ. | News | Comments

Old dogs can teach humans new things about evolution. A new study of North American dog fossils as old as 40 million years suggests that the evolutionary path of whole groups of predators can be a direct consequence of climate change.

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