Science Now

By George Dvorsky A team of international researchers has completed a study that suggests we will probably never find a ‘gay gene.' Sexual orientation is not about genetics, say the researchers, it's about epigenetics. This is the process where DNA expression is influenced by any number of external... Sign in to see full entry.

By Randy Dotinga HealthDay Reporter | HealthDay: SUNDAY, June 10 (HealthDay News) -- A small number of HIV-infected patients have immune systems that are able to keep AIDS at bay by preventing the virus from reproducing for years, and researchers are reporting that they've gained new insight into... Sign in to see full entry.

Men's Health: They say cancer-causing chemicals could build up in the prostate if men do not ejaculate regularly. Monogamous sex is the best. However, researchers say sexual intercourse may not have the same protective effect because of the possibility of contracting a sexually transmitted... Sign in to see full entry.

By Karen Rowan - LiveScience.com: The elusive G-spot has been found, a researcher claims in a new report. The famed orgasmic spot was identified as a region of tissue, about a third of an inch long and one-tenth of an inch wide, located on the anterior (towards the front of the body) vaginal wall,... Sign in to see full entry.

By Natalie Wolchover | LiveScience.com: Are you really in control, or is your every decision predetermined? Who's at the steering wheel: you, your genes, your upbringing, fate, karma, God? A hot topic for several thousand years, the question of whether free will exists may never be settled to... Sign in to see full entry.

WEDNESDAY, Feb. 1 (HealthDay News) -- Scientists may one day be able to read the minds of people who have lost the ability to speak, new research suggests. In their report, published in the Jan. 31 online edition of the journal PLoS Biology, University of California, Berkeley researchers describe... Sign in to see full entry.

By LEE DYE | Good Morning America: Scientists have surprisingly discovered that a mere trace of alcohol doubles the lifespan of a tiny worm that has become a workhorse in biochemistry laboratories around the world. The dramatic finding by researchers at the University of California, Los Angeles,... Sign in to see full entry.

By LINDSEY TANNER: CHICAGO (AP) — Smoking a joint once a week or a bit more apparently doesn't harm the lungs, suggests a 20-year study that bolsters evidence that marijuana doesn't do the kind of damage tobacco does. The results, from one of the largest and longest studies on the health effects of... Sign in to see full entry.

By COLUMN by LEE DYE | ABC News: A man and a woman whose lives literally reached all the way back to the horse and buggy days are teaching modern scientists a few things about getting old. Both lived more than 114 years -- their names and exact ages are being withheld to protect their privacy -- and... Sign in to see full entry.

Message from Ms Irina Bokova, Director-General of UNESCO on the occasion of World AIDS Day 1 December 2011 World AIDS Day is an opportunity for us all to mobilize ever more to meet a challenge that still devastates our societies. We are making headway. Recent studies show that early treatment of... Sign in to see full entry.