Human ancestors had tentacles

The famous Vitruvian Man drawn by Leonardo da Vinci pictures the canon of human proportions. However, humans didn't become bilaterally symmetric suddenly. There are two main points of view on the last common bilaterian ancestor, ...

Lab sleuths help art world uncover fakes

Dressed in an immaculate white lab coat, Sandra Mottaz stares intently through a stereo microscope at a bold-coloured painting purportedly by French master Fernand Leger, searching for signs of forgery.

Fullerene spheres can be used to slide in the nanoworld

"Nano–machines" (around one billionth of a metre in size) of the future will need tiny devices to reduce friction and make movement possible. The C60 molecule, also known as fullerene or buckyball, seemed to many an excellent ...

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