08/14/2017
A new study describes how head-on collisions between protein machines on chromosomes can disrupt DNA replication and boost the rate of gene mutations that help bacteria survive hostile environments,...
10/19/2017
An estimated 3 million adult American handgun owners carry a firearm loaded and on their person on a daily basis, and 9 million do so on a monthly basis, new research indicates. The vast majority...
01/16/2018
Nitrogen-fixing bacteria are the chief means by which nitrogen gas in the air is changed into a form that plants and animals can use. Roughly 10 percent of these nitrogen-fixing microorganisms...
01/29/2018
Early in the HIV/AIDS epidemic, men were thought to be at a higher risk for the disease. Today, according to the World Health Organization, about half of the 35 million people living with HIV are...
04/26/2018
According to the U.S. Centers for Disease Control and Prevention, about one in three humans carries Staphylococcus aureus, or “staph,” in our noses, and 2 percent of us carry the dreaded methicillin-...
05/20/2018
The patient in front of the doctor is breathing heavily, sweating and her heart is racing: classic signs of sepsis.
But the physician, perhaps attending to blood loss from the patient’s leg wound or...
06/27/2018
About 30 years ago, doctors started putting implantable cardioverter defibrillators (ICDs) in patients who had survived a sudden cardiac arrest. These palm-size devices, wired to the heart, could...
07/02/2018
A study has found that one in four nonhuman primates infected with the Zika virus early in pregnancy miscarried, even though the animals showed few signs of infection. The study was conducted by...
07/27/2018
New knowledge about biological processes related to the heart's electrical activity has been gained through a major genome science study. The research had the largest sample size ever of a project of...
09/26/2018
The lack of new antibiotics is among the most critical challenges facing medicine. Researchers have been on the hunt for new drugs to combat "superbugs" that cannot be penetrated by current...