Related topics: bone · osteoporosis · bone density

Bird Bones May be Hollow, But They are Also Heavy, Biologist Says

(PhysOrg.com) -- For centuries biologists have known that bird bones are hollow, and even elementary school children know that bird skeletons are lightweight to offset the high energy cost of flying. Nevertheless, many people ...

Scientists downsize the giant 'Dreadnoughtus' dinosaur

Scientists at the University of Liverpool have shown that the most complete giant sauropod dinosaur, Dreadnoughtus, discovered by palaeontologists in South America in 2014, was not as large as previously thought.

Shrinking helped dinosaurs and birds to keep evolving

A study that has 'weighed' hundreds of dinosaurs suggests that shrinking their bodies may have helped the group that became birds to continue exploiting new ecological niches throughout their evolution, and become hugely ...

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