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The Lead

Clean Smells Can Be Bad for Air

October 30, 2014 | by Drexel Univ. | News | Comments

Some of the same chemical reactions that occur in the atmosphere as a result of smog and ozone are actually taking place in your house while you are cleaning. A researcher is taking a closer look at these reactions, hoping to help to determine what byproducts these sweet-smelling compounds are adding to the air while we are using them to remove germs and odors.

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Daylight Savings May Endanger Diabetics

October 31, 2014 7:00 am | by Michigan State Univ. | News | Comments

Soon, many will turn back the hands of time as part of the twice-annual ritual of daylight saving time. That means remembering to change the alarm clock next to the bed. But for some diabetics who use insulin pumps, a scientist suggests that remembering to change the time on this device should be the priority.

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Toddlers Emulate Peers, Apes Don't

October 31, 2014 7:00 am | by Association for Psychological Science | News | Comments

From the playground to the board room, people often conform to the behavior of those around them as a way of fitting in. New research shows that this behavioral conformity appears early in human children, but isn’t evidenced by apes like chimpanzees and orangutans.

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Research Sheds Light on Source of Stem Cells

October 31, 2014 7:00 am | by Michigan State Univ. | News | Comments

A study has provided insights into where stem cells come from and could advance research in regenerative medicine. The work also has significant implications for fertility research.

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Oceans Arrived on Earth Early

October 31, 2014 7:00 am | by Woods Hole Oceanographic Institution | News | Comments

Water is essential for life on the planet, but the answers to two key questions have eluded us: where did Earth's water come from and when? While some hypothesize that water came late to Earth, well after the planet had formed, findings from a new study significantly move back the clock for the first evidence of water on Earth and in the inner solar system.

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Research Finds Key to Cheaper Biofuels, Improved Crops

October 31, 2014 7:00 am | by Lawrence Berkeley National Laboratory | News | Comments

By manipulating a plant’s metabolic pathways, two scientists have figured out a way to genetically rewire plants to allow for an exceptionally high level of control over the spatial pattern of gene expression, while at the same time boosting expression to very high levels. Now, they have launched a startup company to apply this technology for developing low-cost biofuels that could be cost-competitive with gasoline and corn ethanol.

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Bats Like to Hang Out with Friends on Halloween

October 31, 2014 7:00 am | by Centre for Ecology & Hydrology | News | Comments

New research has shown that despite moving house frequently, bats choose to roost with the same social groups of “friends.” The study found that different social groups roost in separate, though adjacent, parts of woodland. The findings have important implications for conservation as bats may not be able to move to another area if a section of woodland is felled.

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Navigation, Locating Occurs Sans External Cues

October 31, 2014 7:00 am | by PLOS | News | Comments

Researchers have identified the amount of information the brain needs in order to navigate and accurately estimate location. They determined that animal brains can, in principle, use a memory map to estimate location without external cues– such as sight, smell, touch and sound.

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Water-fueled Microrockets Neutralize Threats

October 31, 2014 7:00 am | by ACS | News | Comments

With fears growing over chemical and biological weapons falling into the wrong hands, scientists are developing microrockets to fight back against these dangerous agents, should the need arise. Now, they have created spherical micromotors that rapidly neutralize chemical and biological agents and use water as fuel.

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Expert Explains Why Gore, Yuck so Fun on Halloween

October 31, 2014 7:00 am | by Purdue Univ. | News | Comments

Disgusted by Halloween life-like body part food creations? Do you find violence depicted in haunted houses too gory, yet you can't seem to look away? An expert says the emotion of disgust is what helps keep humans alive, but there can be a thrill to having fun with it as well.

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Engineering Boosts Biogas Production in Microbes

October 31, 2014 7:00 am | by Lawrence Berkeley National Laboratory | News | Comments

In the on-going effort to develop advanced biofuels as a clean, green and sustainable source of liquid transportation fuels, researchers have identified microbial genes that can improve both the tolerance and the production of biogasoline in engineered strains of Escherichia coli.

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Scientists Look at Chemistry of Death

October 31, 2014 7:00 am | by ACS | Videos | Comments

What happens when you die? It's a spooky question, but it doesn't have to be. Even after you depart, there's a lot of chemistry that still goes on inside you.

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Afraid of Ebola? Get a Flu Shot

October 30, 2014 2:00 pm | by Associated Press, Lindsey Tanner | News | Comments

Fever? Headache? Muscle aches? Forget about Ebola— chances are astronomically higher that you have the flu or some other common bug. Misinformed patients with Ebola-like symptoms can take up time and resources in busy emergency rooms, and doctors fear the problem may worsen when flu season ramps up.

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Sound Waves May Help Replace Tissue

October 30, 2014 2:00 pm | by Acoustical Society of America | News | Comments

Researchers have developed a way to use sound to create cellular scaffolding for tissue engineering, a unique approach that could help overcome one of regenerative medicine’s significant obstacles.

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Proven: Scratching Makes You Itch

October 30, 2014 2:00 pm | by Washington Univ. School of Medicine in St. Louis | News | Comments

Turns out your mom was right: scratching an itch only makes it worse. New research indicates that scratching causes the brain to release serotonin, which intensifies the itch sensation. The find provides new clues that may help break that cycle, particularly in people who experience chronic itching.

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Early BPA Exposure Linked to Later Food Intolerance

October 30, 2014 2:00 pm | by Federation of American Societies for Experimental Biology | News | Comments

Scientists have shown that there is a link between perinatal exposure to BPA at low doses and the risk of developing food intolerance in later life. This research, involving rats, suggests that early life exposure at a dose significantly below the current human safety limit set by the FDA affects developing immune systems, predisposing offspring to food intolerance in adulthood.

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