How to design a forest fit to heal the planet

Reforestation has enormous potential as a cheap and natural way of sucking heat-absorbing carbon dioxide out of the atmosphere and restoring the degraded natural world, while supporting local livelihoods at the same time. ...

Infectious disease may have shaped human origins, study says

An international team of researchers, led by scientists at the University of California, San Diego School of Medicine, suggest that inactivation of two specific genes related to the immune system may have conferred selected ...

Hunt on for great white shark that killed Sydney swimmer

Sydney authorities on Thursday deployed baited lines to try to catch a giant great white shark that devoured an ocean swimmer, as beach communities in Australia's largest city were rocked by the first such attack in decades.

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