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Jet stream
A narrow current of strong winds high up in the Earth’s atmosphere. The jet stream directs the movement of weather patterns around the world.

Jet stream
Image courtesy University of Illinois WW2010 Project
Word of the day
Vikings >> Scandinavian, seafaring warriors who went on ""raiding parties"" or invasions during the 8th to 11th century. Leif Erikisson is thought to have been the first Viking to arrive in Canada in 1000 A.D. He landed in Labrador and established settlements in Newfoundland, such as the remnants of a Norse village discovered at L’Anse-aux-Meadows.