The world's leading scientists and cinematographers relive 5 extraordinary shark feeding events. From being surrounded at night by 700 grey reek sharks, a 300-strong gathering of blacktip, dusky a...

两支专家团队不遗余力，在野外研究鲨鱼科学。他们调查了两项最具象征性的鲨鱼超能力—速度和咬合力。在加州，安迪卡萨格兰德试着找出世界上最快鲨鱼的最高速度。...