Some people can sit outside all summer long and not suffer from mosquito bites. Others turn into an itchy mess despite bathing in DEET and never leaving the purple glow of the bug zapper. What gives? It's mostly about the invisible chemical... Continue Reading →
A fire reportedly broke out yesterday (Sept. 16) after an explosion at a secret lab in Russia, one of only two places in the world where the variola virus that causes smallpox is kept. One person was reported injured and transferred to a nearby... Continue Reading →
One of the most amazing things about being a mammal is our sensitive hearing. Where does it come from? — These three little bones in our middle ear. But what about sound waves that are well below the frequencies humans... Continue Reading →
A normal resting heart rate for adults ranges from 60 to 100 beats a minute.Generally, a lower heart rate at rest implies more efficient heart function and better cardiovascular fitness. For example, a well-trained athlete might have a normal resting... Continue Reading →
Imagine there were a drug that you could take soon after a heart attack that could reduce damage by protecting healthy heart muscle tissue. "Cardiologists say that when a heart attack occurs, time is muscle," said Robert Gourdie, director of... Continue Reading →
The electrical and mechanical events that occur from the beginning of one heartbeat at the beginning of the next heartbeat is called the cardiac cycle.The first electrical event in the cardiac cycle is the initiation of a spontaneous action potential in... Continue Reading →
Blame junk food or a lack of exercise. But long before the modern obesity epidemic, evolution made us fat too. "We're the fat primates," said Devi Swain-Lenz, a postdoctoral associate in biology at Duke University. The fact that humans are... Continue Reading →
A new study identifies the species of bacteria in the human infant gut that protect against food allergies, finding changes associated with the development of food allergies and an altered immune response. Every three minutes, a food-related allergic reaction sends... Continue Reading →
Scientists from the University of Nottingham have discovered that drinking a cup of coffee can stimulate 'brown fat', the body's own fat-fighting defenses, which could be the key to tackling obesity and diabetes. The pioneering study, published in the journal Scientific... Continue Reading →
