The first animal model for sexual transmission of HIV
Infection by human immunodeficiency virus (HIV) causes acquired immunodeficiency syndrome (AIDS), a debilitating disorder in … more
columbia university
Ozone hole might slightly warm planet
A lot of people mix up the ozone hole and global warming, believing the hole … more
MIT applies predictive modeling to improve emergency-room wait times.
While long lines repel some people, they intrigue MIT PhD student Kuang Xu: After all, … more
On the hunt for neutrinos
Every second, trillions of particles called neutrinos pass through your body. These particles have a … more
Same-sex marriage laws reduce doctor visits and health care costs for gay men
Gay men are able to lead healthier, less stress-filled lives when states offer legal protections to same-sex couples, according to a new study examining the effects of the legalization of same-sex marriage in Massachusetts. The study, “Effect of Same-S…
Technique diagnoses non-periodic arrhythmias in a single heartbeat
Thanks to a new study from Columbia Engineering School, doctors may now be able to diagnose in their offices non-periodic arrhythmias — noninvasively and at low cost — within a single heartbeat.
Ancient dry spells offer clues about the future of drought
As parts of Central America and the U.S. Southwest endure some of the worst droughts to hit those areas in decades, scientists have unearthed new evidence about ancient dry spells that suggest the future could bring even more serious water shortages. T…
Impatient people have lower credit scores
Is there a psychological reason why people default on their mortgages? A new study, which will be published in an upcoming issue of Psychological Science, a journal of the Association for Psychological Science, finds that people with bad credit scores …
Americans’ life expectancy continues to fall behind other countries’
New York, NY, October 7, 2010 — The United States continues to lag behind other nations when it comes to gains in life expectancy, and commonly cited causes for our poor performance — obesity, smoking, traffic fatalities, and homicide — are not…
