Posts Tagged ‘biology’
Science & Technology - Oct 26, 2011 10:55 - 1 Comment
Embryo: When (and where) arms, legs grow
NYU (US) — Biologists have identified a protein that plays a critical role in how early embryos develop, ensuring arms and legs grow in the right place at the right time. (more…)
Health & Medicine - Oct 25, 2011 11:51 - 3 Comments
DNA ‘remembers’ early living conditions
MCGILL (CAN) — Family living conditions in childhood are associated with significant effects in DNA that persist well into middle age, new research shows. (more…)
Health & Medicine - Oct 20, 2011 11:51 - 0 Comments
Speech therapy: How to yell like a bat
TEXAS A&M (US) — New research that shows bats raise their voices to be heard above the crowd could lead to improved speech therapy for people with Parkinson’s disease. (more…)
Health & Medicine - Oct 20, 2011 8:45 - 0 Comments
Genes control muscle aging in flies
EMORY (US) — The discovery of genes in fruit flies that act in muscles to control aging could help doctors treat muscle degeneration in human aging. (more…)
Health & Medicine - Oct 17, 2011 12:19 - 0 Comments
Live view of neural stem cells with MRI
CARNEGIE MELLON (US) — An MRI-based technique that allows researchers to non-invasively follow stem cells in vivo could be used to develop treatments for brain injury caused by trauma, stroke, Parkinson’s disease, and other neurological disorders. (more…)
Science & Technology - Oct 10, 2011 10:21 - 0 Comments
Raw sewage harbors mystery viruses
U. PITTSBURGH (US) — Thousands of novel, undiscovered viruses, some of which could affect human health, are believed to be hiding in raw sewage, new research shows. (more…)
Science & Technology - Oct 6, 2011 8:23 - 0 Comments
Extreme cave fish with ‘alien’ appetites
TEXAS A&M (US) — Could life exist on planets less hospitable than our own? Scientists studying a tiny Mexican fish say it’s quite possible. (more…)
Science & Technology - Sep 28, 2011 15:00 - 0 Comments
Binge-eating fish with 3x the guts
U. WASHINGTON-SEATTLE (US) — Salmon and other fish predators take the adage “no guts, no glory” literally, by having up to three times the “gut” capacity they need on a daily basis just so they can “glory” when prey is abundant. (more…)
Science & Technology - Sep 27, 2011 16:45 - 1 Comment
Plants create water-rich spots around roots
UC DAVIS (US) — Soil scientists have shown for the first time that the soil around plant roots contains more water than does soil in other areas. (more…)
Earth & Environment - Sep 27, 2011 11:14 - 0 Comments
Biomass link to plant diversity questioned
IOWA STATE (US) — New research calls into question a decades-old theory about the relationship between how much biomass plant species produce and how many species can co-exist. (more…)
Top Stories - Sep 23, 2011 10:15 - 0 Comments
Birds may identify their kin by smell
U. CHICAGO (US) — Penguins appear to use smell to determine if they are related to a potential mate, which suggests birds may have a more highly developed sense of smell than researchers previously thought. (more…)
Science & Technology - Sep 22, 2011 10:38 - 0 Comments
Cells chatter to overcome wimpy ‘dial-up’
EMORY (US) — For the first time, scientists have quantified the data capacity of a biochemical signaling pathway and found a surprise—it’s way lower than even an old-fashioned, dial-up modem. (more…)
Health & Medicine - Sep 21, 2011 10:59 - 1 Comment
Laser tags detect prostate cancer
UC SANTA BARBARA (US) — New laser technology can discriminate between cancerous prostate cells in bodily fluids from those that are healthy—and may ultimately help doctors determine when cancer will spread. (more…)
Health & Medicine - Sep 21, 2011 10:17 - 4 Comments
How to stop herpes from ‘going viral’
CORNELL (US) — Herpesviruses are thrifty reproducers, only sending off their most infectious progeny to invade new cells and continue spreading. (more…)
Health & Medicine - Sep 20, 2011 13:29 - 0 Comments
‘Cartoon’ maps brain’s tangle of synapses
CALTECH (US) — Biologists have come up with a visual way to tease apart the elusive details of the network that regulates the brain’s synapses. (more…)
Science & Technology - Sep 20, 2011 11:23 - 1 Comment
Portable microscope fits on fingertip
STANFORD (US) — Researchers have built a portable microscope so small it can fit on a fingertip—perfect for use in the lab or in the field. (more…)
Science & Technology - Sep 16, 2011 12:36 - 3 Comments
In dry times, ‘loner’ elephants buddy up
STANFORD (US) —When resources are scarce, some male bull elephants band together into a social group with a clearly defined hierarchy, much the way females do, a new study shows. (more…)
Top Stories - Sep 14, 2011 11:07 - 0 Comments
Testosterone drops when dudes become dads
NORTHWESTERN (US) — Dads are biologically wired to care for kids, according to a new study that finds fatherhood lowers testosterone levels. (more…)
