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archery
(Encyclopedia)archery, sport of shooting with bow and arrow, an important military and hunting skill before the introduction of gunpowder. England's Charles II fostered archery as sport, establishing in 1673 the wo...windsurfing
(Encyclopedia)windsurfing, also called boardsailing or sailboarding, water sport that employs a board-and-sail device and combines elements of sailing and surfing. The sailboard was first developed in 1964 by boate...As Salamiya
(Encyclopedia)As Salamiya äs-sälämˈēyä [key], town (1988 est. pop. 47,000), W central Syria. It is a transportation center situated in a fertile plain where cereals, vegetables, and cotton are grown. As Salam...water
(Encyclopedia) CE5 A. Water molecule (black circles represent valence-shell electrons) B. Structure of ice: Each oxygen atom (white circles) is bonded to four other oxygen atoms by hydrogen bonds, the hydrogen at...halo, in meteorology
(Encyclopedia)halo, in meteorology, short-lived circles or arcs, and less commonly spikes and crosses, of colored or whitish light surrounding the moon or sun or in clouds as seen from above. A halo occurs when the...Antarctic Peninsula
(Encyclopedia)Antarctic Peninsula, glaciated mountain region of W Antarctica, extending c.1,200 mi (1,930 km) N toward South America. In the south, volcanic peaks rise to c.11,000 ft (3,350 m); other volcanic cones...motorboating
(Encyclopedia)motorboating, sport of navigating a motor-powered vessel on the water. It is done on either fresh- or saltwater and may be competitive or recreational. The first successful motorboat traveled (1887) a...lacrosse
(Encyclopedia)lacrosse ləkrôsˈ [key], ball and goal game usually played outdoors by two teams of 10 players each on a field 60 to 70 yd (54.86 to 64.01 m) wide by 110 yd (100.58 m) long. Two goals face each othe...snowball earth
(Encyclopedia)snowball earth, hypothesized condition in which the earth was covered completely by ice during several periods in the Proterozoic. The hypothesis was originally developed to explain evidence of the co...rainmaking
(Encyclopedia)rainmaking, production of rain by artificial means now generally disregarded, though it is probable that rainmaking hastens or increases rainfall from clouds suitable for natural rainfall. Interest in...Browse by Subject
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