Smaller animals faced surprisingly long odds in ancient oceans
A new fossil study from Stanford University shows extinction was unexpectedly common among smaller sea creatures in the deep past.
A new fossil study from Stanford University shows extinction was unexpectedly common among smaller sea creatures in the deep past.
Plants & Animals
Feb 21, 2020
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253
The duck-billed hadrosaurs walked the Earth over 90-million years ago and were one of the most successful groups of dinosaurs. But why were these 2-3 tonne giants so successful? A new study, published in Paleobiology, shows ...
Archaeology
May 2, 2019
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313
Ancient sea-floor dwellers are providing new clues about how mass extinctions steer life's evolutionary history, according to scientists.
Plants & Animals
Mar 29, 2019
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127
An often cited claim that humans, who are smarter and more technologically advanced than their ancestors, originated in response to climate change is challenged in a new report by a Center for the Advanced Study of Human ...
Archaeology
Aug 4, 2017
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921
A paleontologist at the Canadian Museum of Nature is countering decades of studies that assert that some dinosaurs can be identified as male or female based on the shapes and sizes of their bones.
Archaeology
Mar 29, 2017
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16
How old were the oldest dinosaurs? This question remains largely unanswered. The natural life span of these long-extinct giants is of interest to scientists, in combination with questions regarding how fast they could grow ...
Archaeology
Feb 7, 2017
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107
During the last Ice Age, Australia, Tasmania and New Guinea formed a single landmass, called Sahul. It was a strange and often hostile place populated by a bizarre cast of giant animals.
Archaeology
Jan 26, 2017
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338
Sea lion hunting by the Europeans at the Atlantic coasts of South America started in the 19th Century and continued up to the second half of the 20th century in Argentina and Uruguay. The practice changed nutrition guidelines ...
Ecology
Jan 19, 2017
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4
Studying the physical features of long-extinct creatures continues to yield surprising new knowledge of how evolution fosters traits desirable for survival in diverse environments. Placodonts are a case in point—specifically, ...
Archaeology
Oct 5, 2016
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1
Scientists from the Universities of Bristol and Málaga have proposed that the long extinct marsupial lion hunted in a very unique way - by using its teeth to hold prey before dispatching them with its huge claws.
Archaeology
Aug 16, 2016
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45