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DK Science: Big Bang

TIMELINE OF THE UNIVERSETHE MOMENT OF EXPLOSIONTHE FIRST THREE MINUTESATOMSTHE UNIVERSE TAKES SHAPETHE EVOLVING UNIVERSEREDSHIFTDARK MATTERFIND OUT MOREAstronomers believe that the Universe came…

DK Science: Geological Time

THE FOSSIL RECORDRADIOMETRIC DATINGFIND OUT MOREGeologists (scientists who study rocks) divide the time since the Earth was formed until today into chunks called periods. During the various…

Animal Hall of Fame

Biggest Land mammal: African elephants weigh up to 14,000 pounds and can eat as much as 600 pounds of food a day! Their trunks contain as many as 100,000 different muscles. Marine mammal: The blue…

Triassic period

(Encyclopedia) Triassic periodTriassic periodtrīăsˈĭk [key], first period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 205 to 250 million years…

Cretaceous period

(Encyclopedia) Cretaceous periodCretaceous periodkrĭtāˈshəs [key], third and last period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from…

Wacky Town Names

  Wacky Town Names   Taking a road trip to Monkey's Eyebrow? compiled by Holly Hartman   America's a big country. From the easternmost reaches of Maine to the western Alaska islands…

Plant Hall of Fame

Biggest Flower Rafflesia arnoldii Each bloom can be as big as 3 feet wide and can weigh up to 24 pounds. The reddish-brown…

Millennium Miscellany

A Millennium Miscellany by Borgna Brunner Millennium Central The MillenniumThe 20th Century1999:…