nature

August 12, 2015
Alpinist and photographer Vittorio Sella died on 12 August 1943.

August 10, 2013
Leonardo da Vinci’s Codex on the Flight of Birds (by airandspace ) Leonardo da Vinci’s “Codex on the Flight of Birds,” will be exhibited at the Smithsonian’s National Air and Space Museum in Washington, D.C., from 13 September until 22 October.