Mathematics of scale: Big, small and everything in between

Breathe. As your lungs expand, air fills 500 million tiny alveoli, each a fraction of a millimeter across. As you exhale, these millions of tiny breaths merge effortlessly through larger and larger airways into one ultimate ...

Experts comb through DNA from possible Da Vinci hair

A lock of what some historians think is Leonardo da Vinci's hair went on display Thursday at a museum in his Tuscan birthplace as they seek to prove it contains his DNA 500 years after the genius died.

Tuscan paradise where da Vinci's genius bloomed

Butterflies flutter around centuries-old olive groves in Vinci, the Tuscan village where Leonardo da Vinci was born and honed his inventor skills as a child by studying the local flora and fauna.

Researchers prove Leonardo Da Vinci was ambidextrous

Researchers at the Uffizi Gallery in Florence have proved what was suspected for a long time: that Renaissance genius Leonardo Da Vinci was able to write, draw and paint with both hands.

Hopper, de Kooning hit new auction records in New York

Paintings by Edward Hopper and Willem de Kooning sold for nearly $92 million and $69 million respectively in New York on Tuesday, setting new world record auction prices for each artist, Christie's said.

Video: feathers not included

Inspired by the beauty and flying ability of birds, Leonardo da Vinci strived centuries ago to create a human-powered flapping-wing flying machine. But his designs, which da Vinci explored in his Codex on the Flight of Birds, ...

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