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Posts tagged growth rings

February 25, 2009

 

Roaring Tyrannosaurus Rex replica

Isty-bitsy Dinosaurs?

In recent years, palaeontologists have unearthed some of the smallest dinosaurs known - not bigger than 20 feet.

March 4, 2008

 

T-Rex Roaring

Pregnant Teenage Dinosaurs

Until very recently, humans tended to reproduce before reaching full adult maturity, as did the dinosaurs. Learn more on this Moment of Science.

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