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Lab Daily

Smartphones are a Bad Choice for Depressed People

August 25, 2015 2:00 pm | by Michigan State Univ. | News | Comments

Depressed people who turn to their smartphones for relief may only be making things worse. A team of researchers found that people who substitute electronic interaction for the real-life human kind find little, if any, satisfaction.

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Physical Activity Linked to Mental Flexibility in Older Adults

August 25, 2015 2:00 pm | by Univ. of Illinois | News | Comments

Studies have shown that physically fit people tend to have larger brain volumes and more intact white matter than their less-fit peers. Now, a new study reveals that older adults who regularly engage in moderate to vigorous physical activity have more variable brain activity at rest than those who don’t.

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Drones Give Whales Noninvasive Health Checks

August 25, 2015 2:00 pm | by Inside Science News Service, Peter Gwynne | News | Comments

A bicoastal team of marine biologists has developed and tested a new noninvasive method of diagnosing the health of endangered whales that relies on a small, unmanned drone. The drone, called a hexacopter because it has six whirling rotors, collects data from two different altitudes.

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Young Kids Can Unlearn Racial Stereotypes

August 25, 2015 2:00 pm | by Univ. of Delaware | News | Comments

New research by a psychological scientist and his collaborators across the globe has found a simple exercise that can undo the unconscious racial biases that young children have— biases that may begin to develop as early as infancy.

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Report: National Lab Handled Monkey Tests Poorly

August 25, 2015 2:00 pm | by Associated Press, David Warren | News | Comments

A prestigious laboratory is under federal investigation after auditors issued a preliminary report saying it didn't do enough to prevent the suffering of primates who were infected with a deadly virus for a study of the disease. The NIAID found a variety of procedural errors with a study conducted at the Galveston National Laboratory, one of the nation's leading research facilities seeking vaccines for some of the most lethal diseases.  

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‘Snowball Earth’ Thawed Out by Wobbling on Its Axis, Researchers Find

August 25, 2015 9:34 am | by Seth Augenstein, Digital Reporter | News | Comments

The Earth was once like a snowball, completely frozen over, like a vision of an alien world from a science-fiction movie, some scientists say. New research of a grouping of sedimentary rocks in Norway shows that the melting of the ice was gradual– and irregular– owing to the planet’s wobbling on its axis.

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NASA Plane to Crash Wednesday

August 25, 2015 7:00 am | by Seth Augenstein, Digital Reporter | News | Comments

A Cessna 172 will plummet 100 feet out of the sky, tail-first, to the ground in Virginia on Wednesday afternoon. Aboard will be five emergency locator transmitters, data-collecting sensors– and two crash-test dummies, NASA said.

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'Telementoring' System May Give Surgeons Remote Help

August 25, 2015 7:00 am | by Purdue Univ. | Videos | Comments

Researchers are developing an "augmented reality telementoring" system to provide effective support to surgeons on the battlefield from specialists located thousands of miles away. The new System for Telementoring with Augmented Reality (STAR) harnesses various technologies such as transparent displays and sensors to improve the quality of the communication between mentor and surgeon.

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Image of the Week: Black Bears in Yosemite Live on Plants, Nuts

August 25, 2015 7:00 am | by UC San Diego | News | Comments

Black bears in Yosemite National Park that don’t seek out human foods subsist primarily on plants and nuts, according to a study conducted by biologists who also found that ants and other sources of animal protein, such as mule deer, make up only a small fraction of the bears’ annual diet.

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For Men, Older People, Nature Improves Sleep

August 25, 2015 7:00 am | by Univ. of Illinois College of ACES | News | Comments

It’s hard to overestimate the importance of high-quality sleep. Men and persons age 65 and older who have access to natural surroundings, whether it’s the green space of a nearby park or a sandy beach and an ocean view, report sleeping better.

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Red Wine Compound Alters Dogs’ Immune Systems

August 25, 2015 7:00 am | by Univ. of Missouri | Videos | Comments

Resveratrol, a compound found commonly in grape skins and red wine, has been shown to have several potentially beneficial effects on health, including cardiovascular health, stroke prevention and cancer treatments. However, scientists do not yet fully understand how the chemical works and whether or not it can be used for treatment of diseases in humans and animals.

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Head Impact Sensors Aren't Accurate Enough

August 25, 2015 7:00 am | by Washington State Univ. | News | Comments

With increasing concern about concussions from sports, some players have started wearing electronic sensors to measure head impacts. But a new study has found that some of the sensors for non-helmeted sports are not fast enough to measure hard hits and don’t accurately measure what are thought to be the most serious, angular hits.

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Device Picks Up Vital Signs from Patient's Lips, Fingertips

August 24, 2015 2:13 pm | by Johns Hopkins Univ. School of Medicine | News | Comments

Engineers and physicians have developed a hand-held, battery-powered device that quickly picks up vital signs from a patient’s lips and fingertip. Updated versions of the prototype, called MouthLab, could replace the bulky, restrictive monitors now used to display patients’ vital signs in hospitals and gather more data. 

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How Zebrafish Rebuild Skeleton After Amputation

August 24, 2015 2:00 pm | by Univ. of Bayreuth | News | Comments

Fish have the fascinating ability to fully regenerate amputated organs. When parts of a zebrafish’s tailfin are injured by predators, or are experimentally amputated, the lost tissue is replaced within three weeks. Now, researchers have learned how zebrafish manage to regenerate the exact shape of the lost fin skeleton.

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Evidence Supports Idea of a 'Good Cry'

August 24, 2015 2:00 pm | by Springer | News | Comments

Yes, a good cry indeed might go a long way to make you feel better, says a study. The find was established when a research team videotaped a group of participants while watching emotionally charged films. Afterwards, the participants were asked a few times to reflect on how they felt.

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