Hummingbirds may struggle to go any further uphill

Any animal ascending a mountain experiences a double whammy of impediments: The air gets thinner as it also becomes colder, which is particularly problematic for creatures struggling to keep warm when less oxygen is available. ...

Jaws hold crucial knowledge on the fate of sharks

Jaws was the only word needed to give the iconic 1970's thriller about a great white with a preference for humans its eerie title. Though a strong and important player at the top of the foodchain, sharks face a range of enemies: ...

New protocol for studying and preserving biodiversity

There are more and more threatened species by the impact of human activity and about a million of them are estimated to be endangered if the rate of biological extinction does not stop. Over the last fifty years, the global ...

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