Water-Repellent Plastrons Keep Surfaces Dry for Months Underwater
A species of spider lives its entire life underwater, despite having lungs that can only breathe atmospheric oxygen. How does it do it? This spider, known as the Argyroneta aquatica, has millions of rough, water-repellent hairs that trap air around its body, creating an oxygen reservoir and acting a
Source: scitechdaily.com