Bugs and beetles can't hold their breath underwater like we do. Bugs and beetles can't hold their breath underwater like we do. But some aquatic insects can spend their whole adult lives underwater.

You see that bubble attached to the beetle? That’s basically an air tank that the beetle uses so that it can breathe underwater. Because they’re so small, they can use water’s surface tension to trap ...

When an insect is this small, it seems to be able to get away with an unusual technique for taking in oxygen. By Veronique Greenwood The tiny swimming beetles of the Australian desert live ...