Climate a driver of language diversity

A region's climate has a greater impact than landscape on how many languages are spoken there, new research from The Australian National University (ANU) shows.

In the Tree of Life, youth has its advantages

It's a question that has captivated naturalists for centuries: Why have some groups of organisms enjoyed incredibly diversity—like fish, birds, insects—while others have contained only a few species—like humans.

Wagers winter plants make to survive

Spend water or save water? Grow or reproduce? For the tiny desert plants that bloom during the winter, the choices are life-or-death gambles, and ecologists at the University of Arizona have identified the wagers that will ...

Genetic diversity helps protect against disease

So much for survival of the fittest – diversity is the key: a team of researchers from the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) has succeeded in demonstrating experimentally that genetic diversity ...

Urbanisation costs 5 billion years of evolutionary history

All over the globe, the urbanisation of landscapes is increasing. 60% of the land surface which is expected to be urban by 2030 is currently not built on at all. How this will impact on biological diversity will only be apparent ...

Environmental change drove diversity in Lake Malawi cichlids

Africa's Lake Malawi is home to hundreds of species of cichlids, the freshwater fish whose broad array of colors make them popular denizens of household aquariums. A new study shows how dramatic environmental changes during ...

Mammals almost wiped out with the dinosaurs

Over 90 per cent of mammal species were wiped out by the same asteroid that killed the dinosaurs in the Cretaceous period 66 million years ago, significantly more than previously thought.

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