How do ants make climbing walls, ceilings and other surfaces look so easy? It's all about their sticky, spiky grip. (via ConversationUS)
Human hands vs. ant feet
Humans have two hands–ants have six feet. Ant feet are similar to your hands but are more complex, with an additional set of weird-looking parts that enhance them. But the feature that truly separates human hands from ant feet are inflatable sticky pads, called arolia.. These balloonlike pads allow ants to defy gravity and crawl on ceilings or ultrahard surfaces like glass.When an ant walks up a wall or across a ceiling, gravity causes its claws to swing wide and pull back. At the same time, its leg muscles pump fluids into the pads at the end of its feet, causing them to inflate.
Ants are feather-light, so six sticky pads are enough to hold them against the pull of gravity on any surface. In fact, at home in their underground chambers,A unique gait
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