Reviewed By Laura J. Martin, MD. May 28, 2010 (New Orleans) -- If your child insists his positive drug test results are a mistake, there's a chance he could be telling the truth. Drug tests generally produce false-positive results in 5% to 10% of cases and false negatives in 10% to 15% of cases, new research shows.
According to Fox News, MITâs cheetah robot can now jump over obstacles up to 18 inches tall, which is more than half the robotâs height. âOur goal is to use this kind of robot to save lives in a disaster situation,â explains Professor Sangbae Kim.
Cheetahs love to eat gazelles, which are also known for their speed. Cheetahs usually watch for gazelles that has strayed from the herd. The cheetah then tries to sneak within 50 yards of its prey before attacking, since a cheetah can go its top speed for only about 300 yards.