BlogArena

General blog about anything and everything of everyday's life.

19. Aug 2019

May 4, 2014
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MU Researchers Find Rare Fossilized Embryos More Than 500 Million Years Old

Study methods may help with future interpretation of evolutionary history. COLUMBIA, Mo. – The Cambrian Period is a time when most phyla of marine invertebrates first appeared in the fossil record. Also dubbed the “Cambrian explosion,” fossilized records from this … Continue reading

April 13, 2014
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Ancient Fossil Reveals Oldest Known Circulatory System

A fossil creature buried in an “invertebrate version of Pompeii” more than half a billion years ago reveals the first-known cardiovascular system in exquisitely preserved detail. An international team of researchers from the University of Arizona, China and the United … Continue reading

March 20, 2013
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Strange phallus-shaped creature provides crucial missing link

Christopher Cameron of the University of Montreal’s Department of Biological Sciences and his colleagues have unearthed a major scientific discovery – a strange phallus-shaped creature they found in Canada’s Burgess Shale fossil beds, located in Yoho National Park. The fossils … Continue reading

March 6, 2013
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Ancient Lamprey DNA Decoded

When it comes to evolution, humans can learn a thing or two from primeval sea lampreys. In the current issue of Nature Genetics, a team of scientists has presented an assembly of the sea lamprey genome – the first time … Continue reading

October 10, 2012
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Cambrian Fossil Pushes Back Evolution of Complex Brains

Complex brains evolved much earlier than previously thought, as evidenced by a 520-million-year-old fossilized arthropod with remarkably well-preserved brain structures. The remarkably well-preserved fossil of an extinct arthropod shows that anatomically complex brains evolved earlier than previously thought and have … Continue reading

September 26, 2012
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Large Bacterial Population Colonized Land 2.75 Billion Years Ago

There is evidence that some microbial life had migrated from the Earth’s oceans to land by 2.75 billion years ago, though many scientists believe such land-based life was limited because the ozone layer that shields against ultraviolet radiation did not … Continue reading

May 27, 2011
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Scientists Discover Fossil of Giant Ancient Sea Predator

Paleontologists have discovered that a group of remarkable ancient sea creatures existed for much longer and grew to much larger sizes than previously thought, thanks to extraordinarily well-preserved fossils discovered in Morocco. The creatures, known as anomalocaridids, were already thought … Continue reading