The cooperative pulling paradigm is an experimental design in which animals cooperate to pull food towards themselves. Researchers use these experiments to try to understand how cooperation works and how and when it may have evolved.
Mining was Zimbabwe's leading industry in 2002, contributing 27% of export trade. The chief minerals were coal, gold, copper, nickel, tin, and clay, and Zimbabwe was a world leader in the production of lithium minerals, chrysotile asbestos, and ferrochromium, with more than half of the world's known chromium reserves.
New titles just added recently, highlighted with this symbol. Around the World in 80 Days (the 1972 animated series) The Barkleys animated series similar to quot;All in the Familyquot; Henry Corden, Joan Gerber, Julie McWirter (1972)
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