Under a desert sun, to a backdrop of the Andes Mountains, scientists teach sponsors to read a landscape that is 100 million years old and to recognize, via texture and colour, fossils in the prehistoric rock.

BBC: The dinosaur route of northwest Patagonia

But where she had found grace and texture in black and white, colour now provided beauty in correspondences.

ECONOMIST: Helen Levitt

Elisabeth Cornwell, of the university's perception lab, then used "ageing" software to reproduce the natural effects of growing old on skin texture, hairline and hair colour.

BBC: NEWS | UK | Scotland | Scientists imagine Lennon at 64

Flavour is crucial, but I spend as much time thinking about texture, shape, colour and form.

BBC: Stockholm��s enduring style

Both films are visually gorgeous, resplendent with colour and texture.

ECONOMIST: A new roll for film

Light brown or yellowish in colour and smooth in texture, they are usually shaved raw over a dish.

BBC: Hunting for the world��s most expensive fungus