Daily non-political popular news in brief.
SRMs track fire retardants in humans and environment
08-16-2007 · EurekAlert!To help scientists evaluate the risks of polybrominated diphenylethers by improving measurements of these pollutants in the environment, NIST has re-evaluated several of its environmental reference materials to report PBDE concentrations in them
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Keywords: srms, track, fire, retardants, humans, environment, srm, retardant, human
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- Inside the brain of a crayfish
08-31-2007 · EurekAlert!
Neurophysiology researchers commonly use crustaceans to try to gain basic understanding of the nervous systems of creatures in general, and, wherever possible, for extrapolating what they find to a basic understanding of the much more complex human brain. All animals, from single-celled amoebas to humans, use similar cellular processes to interpret their olfactory environment.
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- Sniffers show that humans can track scents, and that two nostrils are better than one
12-18-2006 · EurekAlert!
Do animals use their two nostrils to locate scents in the same way they use two ears to locate sounds? UC Berkeley neuroscientists Noam Sobel and Jess Porter set out to test that question, using human volunteers on all fours to track a chocolate scent through the grass. With other senses blocked by gloves, earplugs and a blindfold, they were able to track scents and did better with two open nostrils than one.
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- Latest IPCC report highlights need for integrated climate/human behavior models
04-06-2007 · EurekAlert!
How can humans adapt to climate change without adding even more stress to the environment? Scientists are now looking at ways to integrate the human dimension of climate change -- the choices we need to make to adapt to a changing global climate -- with the sophisticated climate prediction models used for the IPCC Assessment Reports. The goal: To evaluate the best ways forward.
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- A nanotechnology report card
10-14-2006 · Science News Online
Research on how nanotechnology affects human health and the environment must be expanded, a National Research Council report concludes.
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- Beyond nature vs. nurture: Williams syndrome across cultures
01-24-2007 · EurekAlert!
Nobody questions that the color of our eyes is encoded in our genes. When it comes to behavior the concept of "DNA as fate" quickly breaks down -- it's been long accepted that both genes and the environment shape human behavior. But just how much sway the environment holds over our genetic destiny has been difficult to untangle.
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- The closest look ever at native human tissue
12-05-2007 · EurekAlert!
Seeing proteins in their natural environment and interactions inside cells has been a long-standing goal. Using an advanced microscopy technique called cryo-electron tomography, researchers from the European Molecular Biology Laboratory have visualized proteins responsible for cell-cell contacts for the first time. In this week's issue of Nature they publish the first 3-D image of human skin at molecular resolution and reveal the molecular Velcro-like organization that interlinks cells.
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- Chemicals used as fire retardants could be harmful, UC-Riverside researchers say
12-10-2007 · EurekAlert!
Margarita Curras-Collazo's lab at the University of California-Riverside has done research that shows that polybrominated diphenyl ethers, chemicals used as fire retardants, disrupt mechanisms that are responsible for releasing hormones in the body. Moreover, her lab has shown that like polychlorinated biphenyls, whose manufacture in the US was discontinued in 1977, PBDEs alter calcium signaling in the brain.
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- New lab mice pave way for novel studies of human infection
10-22-2006 · EurekAlert!
A new type of laboratory mouse developed at UT Southwestern Medical Center can fight certain infections the same way humans do, making the rodents very useful for novel studies of human-pathogen interaction and developing disease therapies.
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- 40,000-year-old skull shows both modern human and Neandertal traits
01-15-2007 · EurekAlert!
Humans continued to evolve significantly long after they were established in Europe, and interbred with Neandertals as they settled across the continent, according to new research published this week in the Proceedings of the National Academy of Sciences, USA.
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- Zebrafish to shed light on human mitochondrial diseases
09-13-2007 · EurekAlert!
Zebrafish can now be used to study COX deficiencies in humans, a discovery that gives scientists an unprecedented window to view the earliest stages of mitochondrial impairments that lead to potentially fatal metabolic disorders, according to researchers at the University of Oregon.
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