From quills to camouflage to deadly toxins, skin has evolved to defend animals against attack. Professor Ben Garrod explores the armour and weaponry that vertebrate skin has adapted.
从羽毛到伪装再到致命的毒素，皮肤已经进化到保护动物免受攻击。本·加罗德教授探索了脊椎动物皮肤适应的盔甲和武器。
