Increasing Testosterone Use Raises Safety Concerns
Too many men are getting testosterone for the wrong reasons
Stories by Carina Storrs
The Hidden Dangers of Going Under
Anesthesia may have lingering side effects on the brain, even years after an operation
How Much Do CT Scans Increase the Risk of Cancer?
Researchers reevaluate the safety of radiation used in medical imaging
How Much Is Left? The Limits of Earth's Resources
A graphical accounting of the limits to what one planet can provide
Good Riddance to Overfishing: New Management Can End Unsustainable Practices
Trade bans may fail, but fishing management agencies have other strategies, too, including those proved to work
Unearthing Anthrax's Dirty Secret: Its Mysterious Survival Skills May Rely on Help from Viruses--and Earthworms
Researchers find that viruses infecting anthrax and other Bacillus bacteria control its growth both in the soil and in earthworms--and uncover possible new reservoirs for the age-old scourge
Stem Cell Vitamin Boost
Vitamin C increases the production of induced stem cells
Freeloading Flap: Mediterranean Seabirds That Scrounge Off Fishing Boats Have a Smaller Foraging Range
Shearwater birds around Spain's Balearic Islands fly shorter distances in their search for a meal during times they have access to fishery throwaways
Are courtrooms and toxic torts the new side of public health?
NEW YORK—The inspiring story of Erin Brockovich's legal battle with Pacific Gas and Electric Company for contaminating drinking water ended with a $333-million settlement to families in Hinkley, Calif., exposed to the company's hexavalent chromium waste, not to mention blockbuster acclaim for Brockovitch.
Little girls are made of sugar and spice, and learn that math is not nice
One of the first lessons that girls often learn in elementary school is that boys are better at math.
Although this incorrect lesson is certainly not part of the curriculum, first- and second-grade teachers, who are predominately female and math-averse, communicate that math is not their strong suit to some female students, according to a study published January 25 in Proceedings of the National Academy of Sciences .
Brain Scan Offers First Biological Test in Diagnosis of Post-Traumatic Stress Disorder
Researchers use a brain-scanning technique to find differences in the neural connections of PTSD patients that could help researchers understand and treat the disorder
Scrutinizing Swamp Gas: Model Helps Predict Global Wetland Greenhouse Emissions
Researchers develop a new model to describe the correlation between wetland water levels and temperature, and methane production
Endangered Species: Humans Might Have Faced Extinction 1 Million Years Ago
A new approach to probe ancient regions of the genome suggests early human populations were scarce
More for less: Study addresses cost-saving of male circumcision programs
Reports in the past several years have shown that male circumcision can reduce HIV transmission risk by up to 60 percent, so some African governments have since been trying to promote the procedure among young adults.
How Effective Are Misinformation Campaigns to Manipulate Public Opinion?
The Iranian media blamed the U.S. and Israel for the assassination of an Iranian physicist. When misinformed, is the public really convinced?
Discouraging data from the first rigorous study of platelet-rich plasma therapy
The results of the first randomized controlled trial looking at the effectiveness of platelet-rich plasma (PRP) are out, and they fail to support the therapy sought by many amateur and professional athletes alike, including Tiger Woods.
Clean-Cut: Study Finds Circumcision Helps Prevent HIV and Other Infections
The first microbiome study of the penis offers some clues as to why removing foreskin cuts the risk of HIV infection in circumcised men
Best in show: Scientists pursue selected gene mutations bred into dogs
When humans started to domesticate dogs around 14,000 years ago, they unknowingly embarked on a genetics experiment that is still going on today. Although domesticated canines were probably first kept around the home because they made good watchdogs, humans have selected breeds in the past few hundred years to have an encyclopedia of exaggerated traits, from flat faces to stubby legs or wrinkly skin.