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Latest Nicholas Strausfeld Stories

Earliest Known Cardiovascular System Discovered In Ancient Shrimp-like Animals
2014-04-07 12:08:47

By Daniel Stolte, University of Arizona 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 Kingdom has discovered the earliest known cardiovascular system, and the first to clearly show a sophisticated system complete with heart and blood vessels, in fossilized remains of...

Extinct Arthropod Had Big Claws Spider Brain
2013-10-16 15:15:35

Brett Smith for redOrbit.com - Your Universe Online While finding an intact fossil of any kind can be an exciting discovery, an international team of paleontologists recently discovered the earliest known complete nervous system in the fossil of a never-before described creature that crawled or swam in the ocean some 520 million years ago, according to a report in the journal Nature. The researchers said the fossil belongs to an extinct group of marine arthropods known as megacheirans,...

2013-04-12 13:23:17

A new study by scientists at King's College London and the University of Arizona (UA) published in Science reveals the deep similarities in how the brain regulates behaviour in arthropods (such as flies and crabs) and vertebrates (such as fish, mice and humans). The findings shed new light on the evolution of the brain and behaviour and may aid understanding of disease mechanisms underlying mental health problems. Based on their own findings and available literature, Dr Frank Hirth...

Evolution Of Complex Brains
2012-10-11 04:52:39

April Flowers for redOrbit.com - Your Universe Online Anatomically complex brains evolved earlier than previously thought and have changed little over the course of time, according to a new study by University of Arizona neurobiologist Nicholas Strausfeld. The specimen described in the study, which will be published in the October 11 issue of Nature, is the earliest known fossil to show a brain. The three inch long fossil was discovered embedded in mudstones deposited during the...


Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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