According to a study of approximately 7 million-year-old bones, our earliest known ancestors could climb trees like an ape while walking on two legs. As shocking as that could be, it’s not the only thing that’ll have this impact on ...

Frogs, unlike their salamander counterparts, cannot restore severed limbs, but an intriguing new experiment reveals that under the appropriate circumstances, frogs may partly rebuild their missing body parts. A unique therapy that allowed African clawed frogs (Xenopus laevis) to partly ...

There’s a less than one percent chance that the changes in Earth’s energy absorption were caused naturally, according to researchers who studied the issue. A small change in the energy Earth receives from the sun or radiates back into space ...