In the X-Men comics, the superhero Wolverine is armed with three sharp claws on each arm. They extend through the skin of his hand, and the resulting wounds are closed by up his superhuman ability to ...

Some African frogs carry concealed weapons: when threatened, these species puncture their own skin with sharp bones in their toes, using the bones as claws capable of wounding predators. At least 11 ...

In Australia’s open grasslands and scrub, male kangaroos often take part in dramatic fights known as “boxing.” These battles look almost playful from a distance, but up close, they reveal one of the ...

Yes, wearing high heels and tight fitted shoes might make you look great at a party or the office, but is it as good for your toes and feet? Sadly, the response is clearly NO. These fashionable shoes ...

Scientists have unraveled how the talons of birds of prey have evolved to help them kill victims. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.