Apple to unleash Snow Leopard on August 28

Apple announced on Monday that its next-generation Snow Leopard operating system tailored for the California company's Macintosh computers will be unleashed on the market on Friday.

Rare Amur leopard killed in China

An extremely rare Amur leopard has been killed in China, state media reported Monday, as police searched for the suspected trapper.

Why the leopard got its spots

Why do leopards have rosette shaped markings but tigers have stripes? Rudyard Kipling suggested that it was because the leopard moved to an environment "full of trees and bushes and stripy, speckly, patchy-blatchy shadows" ...

Study shows animals with larger brains are best problem solvers

Why did some species, such as humans and dolphins, evolve large brains relative to the size of their bodies? Why did others, such as blue whales and hippos, evolve to have brains that, compared to their bodies, are relatively ...

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