Usain Bolt Wins Third 100-Meter Gold Medal
The world stopped and watched Usain Bolt on Sunday night for less than 10 seconds.
New Antibiotic Found in Human Noses
The search for new drugs to fight infections has led to a discovery in an unlikely place — in people’s noses.
One Hour of Exercise a Day Fights Damage of Sitting
When it comes to your health, It seems that sitting too much may be as bad for you as smoking.