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Latest Biological evolution Stories

Kulindadromeus zabaikalicus
2014-07-25 04:34:09

redOrbit Staff & Wire Reports - Your Universe Online An international team of researchers has discovered the first-ever fossils belonging to a plant-eating dinosaur that contained both scales and featherlike structures, suggesting that plumage might have been present in a far greater number of species than previously believed. The fossils were discovered in Siberia and belong to a species identified as Kulindadromeus zabaikalicus, according to Dan Vergano of National Geographic. The...

Life-Bearing Oxygen Appeared On Earth Three Billion Years Ago
2013-09-26 07:19:54

April Flowers for redOrbit.com - Your Universe Online New research from the University of Copenhagen and University of British Columbia (UBC) has revealed that oxygen appeared 700 million years earlier than we previously thought. The findings, published in the journal Nature, raises new questions about the evolution of early life. The research team examined the chemical composition of three-billion-year-old soils from South Africa, which are the oldest soils on Earth. They found...

Understanding Origins Of Flight With Wind Tunnel
2013-09-18 10:40:09

[ Watch The Video: Wind Tunnel Helps Understand Bird Flight ] Michael Harper for redOrbit.com - Your Universe Online Recent research has uncovered the evolutionary origin of birds, as the limbs of certain dinosaurs transformed into wings and gave these creatures the ability to fly. Scientists at the University of Southampton have taken this research one step farther and now say they understand how feathered dinosaurs developed the ability to use these wings for flight. For years...

Chinese Study Provides Evidence That Early Birds Had Four Wings Instead Of Two
2013-03-15 08:31:22

Lawrence LeBlond for redOrbit.com - Your Universe Online When you inspect the legs of most birds you will find everything from the knee down is scaly rather than feathery. There is an exception to this rule however. Some birds of prey, such as eagles, have more feathering below the knee extending down to the feet. As for those with scaly legs, it is a remnant of their ancestry, when birds evolved from small two-legged dinosaurs millions of years ago. For the most part, experts...

Researchers Attempting To Develop Prosthetic Flippers For Injured Loggerhead Turtle
2013-02-17 08:53:47

redOrbit Staff & Wire Reports — Your Universe Online Officials at a Japanese aquarium are looking for a high-tech apparatus that will help an injured, endangered loggerhead turtle regain the ability to swim after she lost both front flippers in a 2008 shark attack. The 25-year-old turtle, which is named Yu, currently resides at the Suma Aqualife Park in Kobe, where she was transported following the attack five years ago, according to Ruairidh Villar of Reuters. "She was in...

Evidence Links Birds And Dinosaurs
2012-11-21 21:16:27

Lee Rannals for redOrbit.com — Your Universe Online More evidence has emerged, published in the journal Current Biology, claiming birds are the descendants of dinosaurs. The prehistoric Archaeopteryx and bird-like dinosaurs before them had a more primitive version of a wing, according to the recent findings. Scientists are piecing together how the wing evolved, lending to evidence that gliding dinosaurs spent much of their days in the trees. "Before, it seemed that we had...

Feathered Dinosaurs May Have Been The Norm
2012-07-03 09:47:57

Brett Smith for redOrbit.com - Your Universe Online One of the most complete dinosaur fossils ever discovered suggests that feathered dinosaurs were more prevalent than previously thought and could have been the norm, not the exception. The 150 million-year-old fossil found in northern Bavaria shows that the dinosaur had down-like feathers over parts of its front and back as well on its tail. Scientists dubbed the creature Sciurumimus albersdoerferi after "Scirius”, the scientific...

2009-07-23 09:32:15

In the animal kingdom, everything is not as it seems. Individuals of the same species can look very different from each other - what biologists term 'polymorphism.' Sometimes the number of distinct visible forms - 'exuberant polymorphisms' -- in a single animal population can reach double figures. But why?Scientists at the University of York have developed computer models that may help to explain how this level of variation arises and persists. Their research is reported in the latest issue...


Word of the Day
abrosia
  • Wasting away as a result of abstinence from food.
The word 'abrosia' comes from a Greek roots meaning 'not' and 'eating'.