For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...
1don MSN
Fossil analysis changes what paleontologists know about how long T. rex took to grow full size
Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study ...
New Scientist on MSN
T. rex took 40 years to become fully grown
An analysis of growth rings in the leg bones of 17 Tyrannosaurus rex individuals reveals that the dinosaurs matured much more ...
New study finds T-Rex took 35–40 years to reach 8 tons, not 25, with growth varying by resources; may belong to multiple ...
NEW YORK (AP) — Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a ...
FLINT, MI - Longway Planetarium will be closed for two weeks in January for building maintenance, according to a news release ...
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