Endangered Sumatran elephant born in captivity

A baby Sumatran elephant peeps out timidly from between the legs of its mother at an Indonesian zoo, where her birth has given a boost to the critically endangered animal.

The ethics of resurrecting extinct species

(Phys.org) —At some point, scientists may be able to bring back extinct animals, and perhaps early humans, raising questions of ethics and environmental disruption.

See spot see

(HealthDay)—It's a dog-see-dog world. With no sniffing involved, dogs can recognize the faces of other dogs among the faces of humans and other animal species, according to a new study.

Fitness for toad sperm: The secret is to mate frequently

An increasing number of men suffer from fertility problems, especially in western society. The general belief is that many problems may be related to stress but it is possible that some of them may arise because men simply ...

Hunger may inhibit defensive behavior

Most animals don't spend nearly as much time and energy defending nesting or mating sites against intruders outside the breeding season. That's a given.

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