Science Blog

For PTSD combat vets, ‘fear circuitry’ in the brain never rests

ScienceBlog.com — Sat, 18 May 2013 13:38:17 +0000

Chronic trauma can inflict lasting damage to brain regions associated with fear and anxiety. Previous imaging studies of people with post-traumatic stress disorder, or PTSD, have shown that these...

Attacking MRSA with metals from antibacterial clays

ScienceBlog.com — Sat, 18 May 2013 13:36:20 +0000

In the race to protect society from infectious microbes, the bugs are outrunning us. The need for new therapeutic agents is acute, given the emergence of novel pathogens as well as old foes bearing...

Frogs, salamanders suffering under erratic rainfall

ScienceBlog.com — Sat, 18 May 2013 13:32:18 +0000

By day, insects provide the white noise of the South, but the night belongs to the amphibians. In a typical year, the Southern air hangs heavy from the humidity and the sounds of wildlife. The...

Ancient diet find could shatter ideas of how agriculture emerged

ScienceBlog.com — Fri, 17 May 2013 16:13:44 +0000

Archaeologists have made a discovery in southern subtropical China which could revolutionise thinking about how ancient humans lived in the region. They have uncovered evidence for the first time...

Bach to the blues, our emotions match music to colors

ScienceBlog.com — Fri, 17 May 2013 13:34:58 +0000

Whether we’re listening to Bach or the blues, our brains are wired to make music-color connections depending on how the melodies make us feel, according to new research from the University of...

New method proposed for detecting gravitational waves from ends of universe

ScienceBlog.com — Fri, 17 May 2013 13:33:03 +0000

A new window into the nature of the universe may be possible with a device proposed by scientists at the University of Nevada, Reno and Stanford University that would detect elusive gravity waves...

World’s smallest droplets

ScienceBlog.com — Fri, 17 May 2013 13:31:53 +0000

Physicists may have created the smallest drops of liquid ever made in the lab. That possibility has been raised by the results of a recent experiment conducted by Vanderbilt physicist Julia Velkovska...

Climate change may have little impact on tropical lizards

ScienceBlog.com — Fri, 17 May 2013 13:28:58 +0000

A new Dartmouth College study finds human-caused climate change may have little impact on many species of tropical lizards, contradicting a host of recent studies that predict their widespread...

Carbon storage in Arctic tundra shows ecosystem resiliency

ScienceBlog.com — Fri, 17 May 2013 13:20:32 +0000

When UC Santa Barbara doctoral student Seeta Sistla and her adviser, environmental studies professor Josh Schimel, went north not long ago to study how long-term warming in the Arctic affects carbon...

Body mass index of low income African-Americans linked to proximity of fast food restaurants

ScienceBlog.com — Fri, 17 May 2013 13:19:02 +0000

African-American adults living closer to a fast food restaurant had a higher body mass index (BMI) than those who lived further away from fast food, according to researchers at The University of...