Yuri Gagarin. On April 12, 1961, Yuri Gagarin of Russia became the first person in space.

Wind. Chinook winds are strong, dry winds found in the American West, where the prairies meet the mountains.

Axons. The axon project from the neuron to conduct electrical impulses.

A Tornado. "Gustnadoes" are small, weak tornadoes that do not stay on the ground for very long.

XYY Syndrome. XYY has been found in people like Charles Manson.

Arid. The word "arid" indicates an extremely dry climate.