Billion-year-old fossil reveals missing link in the evolution of animals
A billion year old fossil, which provides a new link in the evolution of animals, has been discovered in the Scottish Highlands.
A billion year old fossil, which provides a new link in the evolution of animals, has been discovered in the Scottish Highlands.
Evolution
Apr 29, 2021
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12155
A team of paleontologists has discovered the oldest animal with a skeleton. Called Coronacollina acula, the organism is between 560 million and 550 million years old, which places it in the Ediacaran period, before the explosion ...
Archaeology
Mar 8, 2012
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How can life originate from a lifeless chemical soup? This question has puzzled scientists since Darwin's 'Origin of species'. University of Groningen chemistry professor Sijbren Otto studies 'chemical evolution' to see if ...
Biochemistry
Jan 4, 2016
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833
Nearly half of our DNA has been written off as junk, the discards of evolution: Sidelined or broken genes, viruses that got stuck in our genome and were dismembered or silenced, none of it relevant to the human organism or ...
Evolution
Oct 18, 2021
0
785
Around 2.5 billion years ago, our planet experienced what was possibly the greatest change in its history: According to the geological record, molecular oxygen suddenly went from nonexistent to becoming freely available everywhere. ...
Evolution
Mar 1, 2021
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The Krüppel-like factor and specificity protein (KLF/SP) genes are found across many species, ranging from single cell organisms to humans. This gene family has been conserved during evolution, because it plays a vital role ...
Evolution
Aug 18, 2015
4
983
(PhysOrg.com) -- Mass extinctions occur repeatedly, though irregularly, throughout Earth’s history, and occasionally these extinctions have been devastating to life on our planet - or have they? Extinction events have sometimes ...
Chimpanzees are our closest living relatives, but what is it about the human brain that makes us so different? Researchers at the George Washington University may have unearthed another piece of the puzzle. In a study published ...
Evolution
Nov 16, 2015
1
248
During the earliest evolution on earth, life probably resembled one big genetic jumble. At some time, presumably around 3.8 to 3.5 billion years before today, the very first biological species appeared – the ancestor of ...
General Physics
Nov 23, 2015
32
324
Photosynthesis, the process by which plants and other organisms convert sunlight into chemical energy, has been a major player during the evolution of life and our planet's atmosphere. Although most of the ins and outs of ...
Earth Sciences
Jan 12, 2021
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