We humans have left our mark on so much of the natural world, even when we're not around. Roads, in particular, can have a negative impact on animal habitats. It's not just cars, but the blockade they ...

Orangutans are among the strongest primates, capable of exerting immense force with their arms, which are adapted for climbing and pulling their full body weight. In close encounters, what may seem ...

Orangutans possess immense upper body strength, with arms capable of exerting force far beyond that of a human. While generally non-aggressive, they can react defensively if they feel threatened, ...

Add Yahoo as a preferred source to see more of our stories on Google. We humans have left our mark on so much of the natural world, even when we're not around. Roads, in particular, can have a ...