日前,美国科学家发现在沙漠中生活的蜥蜴和蟑螂穿越沙漠时方法独特:它们的四肢在与沙地接触过程中运动相当缓慢,而在四肢腾空至再次触地之前的运动则相当迅速。他们利用动物的这一运动原理,最近研制出 Scientists in the United States recently discovered that lizards and cockroaches living in the desert are unique in their way across the desert: their limbs move fairly slowly in contact with the sandy ground, and they move fairly rapidly before their limbs are vacated to touch the ground again. They developed this recently using the principle of motion of animals