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.
Although the speediest of land animals cannot match the times of the fastest flyers, the cheetah, recognized as the worldâs fastest runner, is able to run 70 MPH for short distances. From a standing start, the cheetah can accelerate to 45 MPH in two seconds and cover a distance of sixty-five yards.