Why re-invent the wheel when nature already did the research and development over the past countless millenia? Geckos (and spiders) are among nature’s most skilled climbers, easily adhering to and scampering over most surfaces. How do they do it?
Predators rarely routinely hunt much larger prey. An exception to this is the Zodarion cyrenaicum spider from the Negev desert in Israel. Researchers recently showed how even the juveniles use a powerful venom to paralyze the much larger Messor arenarius ant with a single bite.