Oh, it's a really difficult question, Georgie. I think there are good scientific reasons for having animals in zoos, but also, it seems to me a little bit sad and cruel for wild animals to be ...

Measurements showed those animals lost 10 percent or more of their body mass. One bear lost close to 44 pounds, including her lean muscle, in 10 days. This bear even leapt into the sea in a failed ...

(Read about nature’s living fireworks—animals that bioluminesce.) If you shine a light on a comb jelly, light refracted off its moving cilia might be mistaken for bioluminescence. Their true ...