Colour vision makes birds of prey successful hunters

In many cases it is the colour of the prey that helps predatory birds to detect, pursue and capture them. In a new study, biologists at Lund University in Sweden show that the Harris's hawk has the best colour vision of all ...

After death, Hawking cuts 'multiverse' theory down to size

With a science paper published after his death, Stephen Hawking has revived debate on a deeply divisive question for cosmologists: Is our Universe just one of many in an infinite, ever-expanding "multiverse"?

Stars turn out for Stephen Hawking's funeral (Update)

Film stars, supermodels, comics and astronomers joined Stephen Hawking's family and friends for his funeral in Cambridge Saturday, the city where he dedicated his life's work to unravelling the mysteries of the universe.

Hawk moths have a second nose for evaluating flowers

Flowers without scent produce fewer seeds, although they are visited as often by pollinators as are flowers that do emit a scent. Scientists from the Max Planck Institute for Chemical Ecology in Jena, Germany, made this surprising ...

Scent guides hawk moths to the best-fitting flowers

That the morphology of many pollinators corresponds strikingly to the shape of the flowers they pollinate was observed more than 150 years ago by Charles Darwin. He described this perfect mutual adaptation of flowers and ...

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