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In This Issue
- It’s written all over your face: To potential mates, your mug may reveal more than you think
- Team spirit: Working together, bacteria and other microbes can accomplish much more than they can alone. Now scientists hope to harness that ability by engineering their own microbial consortia.
- For a big view of inner Earth, catch a few…Geoneutrinos
- This week's table of contents
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Bacteria from Mono Lake conduct photosynthesis with arsenic, a form of the process that may be a relic of life on Earth before the advent of an oxygen atmosphere.Published: Thursday, August 14th, 2008Found in: Life
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Just one change in a strain of avian flu virus makes it transmissible by direct contact in ferrets, but the virus still lacks the ability to spread by airborne particles.Published: Tuesday, August 12th, 2008Found in: Body & Brain and Genes & Cells
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Players run a simulation of a throw in their own brains and muscles and are more accurate at predicting whether a shot will go in the basket than coaches, sports journalists or novice watchers.Published: Sunday, August 10th, 2008Found in: Body & Brain
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Researchers have completed a mitochondrial genome sequence from a Neandertal. DNA taken from a 38,000-year-old bone indicates that humans and Neandertals diverged 660,000 years ago and are distinct groups.Published: Thursday, August 7th, 2008Found in: Life
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Separate neurons in the nematode brain control eating and fat-building. The discovery may help explain some mysteries of obesity.Published: Tuesday, August 5th, 2008Found in: Body & Brain and Genes & Cells
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Misfolded, clumping proteins evade conviction, but they remain prime suspects in neurodegenerative diseases.Published: August 16th, 2008; Vol.174 #4Found in: Biomedicine and Body & Brain
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Sleep loss impairs fruit flies’ ability to learn, just as it does in people. But boosting dopamine in the flies can erase these learning deficits. (p. 8)Published: August 30th, 2008; Vol.174 #5Found in: Body & Brain
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Scientists have known for ages that metabolism is tied to the body’s daily rhythms. Two new studies suggest how.Published: August 16th, 2008; Vol.174 #4Found in: Biology, Biomedicine and Genes & Cells
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The Allen Institute for Brain Science unveils an online atlas of the mouse spinal cord. The atlas is a tool for researchers studying spinal cord injury, disease and development.Published: Friday, July 18th, 2008Found in: Body & Brain and Genes & Cells -
A gene variant prevalent in people of African descent increases the risk of HIV infection but also helps slow disease progression.Published: Wednesday, July 16th, 2008Found in: Body & Brain and Genes & Cells
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Astrocytes, brain cells previously thought to be support cells for neurons, regulate blood flow in the brain and may aid neuron signaling. The regulation of blood flow makes visualizing brain activity with fMRI possible.Published: August 2nd, 2008; Vol.174 #3Found in: Body & Brain -
A chemical in red wine thought to mimic the life-extending properties of calorie restriction improves health, but doesn’t necessarily lengthen life; it could also harm the brain. (p. 14)Published: August 2nd, 2008; Vol.174 #3Found in: Body & Brain and Genes & Cells
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New map of brain's anatomy reveals communication hub that corresponds to an area active when the mind wanders.Published: Monday, June 30th, 2008Found in: Body & Brain -
A genetic source of mental retardation and autism may also disrupt sleep patterns.Published: Thursday, June 26th, 2008Found in: Body & Brain and Genes & Cells
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Epigenetic shifts continue throughout a person’s lifetime, and the overall pattern of these shifts appears similar within families.Published: July 19th, 2008; Vol.174 #2Found in: Body & Brain and Genes & Cells
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