Ancient mass extinction led to dominance of tiny fish
When times are good, it pays to be the big fish in the sea; in the aftermath of disaster, however, smaller is better.
Earth Sciences
Nov 12, 2015
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Page 2 - News tagged with body mass
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adolescents
· body mass index
Museum workers able to digitally recreate Stegosaurus to find its mass
(Phys.org)—A team of workers at Britain's Natural History Museum in London has used 3D scans of the bones of "Sophie" the most complete Stegosaurus skeleton ever found, to calculate the dinosaur's body mass at death. In ...
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 ...
Archaeology
May 6, 2014
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Study resets date of earliest animal life by 30 million years
University of Alberta researchers have uncovered physical proof that animals existed 585 million years ago, 30 million years earlier than all previous established records show.
Archaeology
Jun 28, 2012
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T. rex was bigger than thought: study
The iconic T. rex dinosaur grew bigger and faster than previously estimated, according to new methods based on actual skeletons instead of scale models, British and US scientists said Wednesday.
Archaeology
Oct 12, 2011
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Size of mammals exploded after dinosaur extinction
Researchers demonstrate that the extinction of dinosaurs 65 million years ago made way for mammals to get bigger - about a thousand times bigger than they had been. The study, which is published in the prestigious journal ...
Archaeology
Nov 25, 2010
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10,000 miles: New study proposes giant Pterosaurs were record long-distance fliers
(PhysOrg.com) -- A new study suggests four species of ancient pterosaurs might have been able to soar as far as 16,000 km nonstop, making them the longest distance fliers in the Earth's history.
The small insect with a big heart: the 'giving' aphids endangered by their selflessness
One of the founding principles of Darwin's theory is that biological evolution has been shaped by the survival of the fittest. Things, however, are not always that simple as researchers from Royal Holloway, University of ...
Plants & Animals
Feb 3, 2010
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Small birds boast range of flight styles thanks to evolutionary edge
Small birds have explored a wide variety of styles of flight, ranging from hovering hummingbirds to bounding sparrows to soaring swifts and swallows. A new Cornell University study could explain why.
Plants & Animals
May 28, 2024
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Bee body mass, pathogens and local climate influence heat tolerance
How well bees tolerate temperature extremes could determine their ability to persist in a changing climate. But heat tolerance varies between and within populations, so a research team led by Penn State entomologists examined ...
Plants & Animals
May 6, 2024
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