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The bat is more closely related to primates.

Bats are fantastic fliers. They are able to truly fly. Bats are the only mammals able to have powered flight.

A bat's body is made for flight. The neck is short, the chest is large and the stomach is narrow. In order to fly a body must have a wide, thin surface. It also needs the power to push through the air.

Ader kept working to perfect his airplane, and finally, with the financial backing of the French Army, he built Avion III, a flying machine similar in design to the Eole but with a longer wingspan and two four-blade propellers. On Oct. 14, 1897, Ader tested his Avion at Satory with a military observer team present. Ader claimed that that day he had again flown, but three witnesses disagreed with each other about whether Ader actually took off and flew the Avion before it crashed.

SAMUEL PIERPONT LANGLEY

Langley was soon experimenting with models, the first of which were powered by rubber bands

About Lung Cancer Lung Cancer is a disease that begins in the tissue of the lungs. The lungs are sponge-like organs that are part of the respiratory system. During breathing, air enters the mouth or nasal passage and travels down the trachea. The trachea splits into two sets of bronchial tubes that lead to the left and right lung. The bronchi branch off into smaller and smaller tubes that eventually end in small balloon-like sacs known as alveoli. The alveoli are where oxygen, carbon dioxide, and other substances are exchanged between the lungs and the blood stream.

ive of the six members of China's gold medal-winning women's gymnastics team, the little girls who said they were 16, probably were 14 and looked like they were 12.

Perhaps the term "growth plate"

1. Tokyo, Japan - 28,025,000 2. Mexico City, Mexico - 18,131,000 3. Mumbai, India - 18,042,000 4. Sáo Paulo, Brazil - 17, 711,000 5. New York City, USA - 16,626,000 6. Shanghai, China - 14,173,000 7. Lagos, Nigeria - 13,488,000 8. Los Angeles, USA - 13,129,000 9. Calcutta, India - 12,900,000 10. Buenos Aires, Argentina - 12,431,000

91. Melbourne, Australia - 3,188,000 92. Salvador, Brazil - 3,180,000 93. Dalian, China - 3,153,000 94. Caracas, Venezuela - 3,153,000 95. Adis Abeba, Ethiopia - 3,112,000 96. Athina, Greece - 3,103,000 97. Cape Town, South Africa - 3,092,000 98. Koln, Germany - 3.067,000 99. Maputo, Mozambique - 3,017,000 100. Napoli, Italy - 3,012,000

Eventhough parachutes seem to have been used in China since the 1100s and that Leonardo da Vinci of Italy had invented devices similar to parachutes nowadays, worldwide skydivers state that the French inventor André-Jacques Garnerin is the one to make the first parachute. In 1797 he jumped from a balloon over Paris using a parachute and kept on making other jumps in France and also in England.

In World War I , that is between 1914 and 1918, the military began using parachutes in their missions

The term "breakdancing" refers to the breaks in music

The dance must be done in sneakers, for the dancer's safety. Breakdancing is known as an especially dangerous sport for several reasons. It is not unusual for a dancer to get something caught, stubbed or stopped while moving in air. This dance is never done on a soft surface. It emphasizes the rough, raw urban feel of fighting. As a consequence, several dancers have broken their necks, and one died notably in 1982, due to a breakdancing move gone wrong.

Leonardo da Vinci designed a flying machine in the 15th century, and by the 19th century men were airborne in hot-air balloons, gliders, and huge kites.

depended on the whimsy of the wind

And so, at the end of the 19th century, enthusiasts around the world joined in the race to invent the first flying machine.