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Nearly one-third of tropical animal species face extinction if humans do not curb our growing appetites for beef, pork and other land-intensive meats. The Panamanian golden frog bred by the Vancouver Aquarium in this 2014 file photo may be extinct in its natural habitat. (THE CANADIAN PRESS/Darryl Dyck)

How changing your diet could save animals from extinction

As much as one-third of animal species in the tropics could be eradicated if their habitats continue to be converted for monoculture farming. We can all do something to make a difference.
Can a machine really think, be in awe and wonder? Shutterstock/Photobymhu

What does it mean to think and could a machine ever do it?

As machines get ever more complex as we strive to make them complete more complex tasks, it's time to ask again: will they ever be able to think? But what is thinking anyway?

Gifts key to spider courtship

Male nursery web spiders who give gifts to females are more likely to successfully mate than males who don’t, according to…
Crows remember faces they associate with stressful situations for up to five years. And they tell their friends. Flickr/monkeyc.net

Never cross a crow - it will remember your face

Crows can remember human faces associated with stressful situations for up to five years and they’ll also warn their friends…

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