Teen drinking and driving rates in the US have fallen 54 percent over the past 20 years, from 22.3 percent in 1991 to just 10.3 percent in 2011. Much of the change has been attributed to tougher drunk driving laws and driving restrictions for young dri…

Teen drinking and driving rates in the US have fallen 54 percent over the past 20 years, from 22.3 percent in 1991 to just 10.3 percent in 2011. Much of the change has been attributed to tougher drunk driving laws and driving restrictions for young dri…

Teen drinking and driving rates in the US have fallen 54 percent over the past 20 years, from 22.3 percent in 1991 to just 10.3 percent in 2011. Much of the change has been attributed to tougher drunk driving laws and driving restrictions for young dri…

The venom of Africa’s lethal black mamba could be the key to producing a painkiller as potent as morphine but with fewer unwanted side-effects. Scientists were able to isolate pain-relieving proteins called mambalgins from the snake’s venom and found t…

In less than three decades, the Great Barrier Reef, considered one of the seven natural wonders of the world, has lost half of its coral cover. Experts attribute the losses largely to tropical cyclones and outbreaks of coral-eating crown-of-thorns star…