News tagged with fossil records
Hacking code of leaf vein architecture solves mysteries, allows predictions of past climate
(Phys.org) -- UCLA life scientists have discovered new laws that determine the construction of leaf vein systems as leaves grow and evolve. These easy-to-apply mathematical rules can now be used to better ...
May 23, 2012 |
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New bacterium forms intracellular minerals
A new species of photosynthetic bacterium has come to light: it is able to control the formation of minerals (calcium, magnesium, barium and strontium carbonates) within its own organism. Published in Science on Apr ...
May 11, 2012 |
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Diversification of land plants
Researchers have reconstructed phylogenetic relationships among all 706 families of land plants.
Apr 05, 2012 |
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Warm and fuzzy T. rex? New evidence surprises
The discovery of a giant meat-eating dinosaur sporting a downy coat has some scientists reimagining the look of Tyrannosaurus rex.
Other Sciences / Archaeology & Fossils
Apr 04, 2012 |
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When dinosaurs roamed a fiery landscape
The dinosaurs of the Cretaceous may have faced an unexpected hazard: fire! In a paper published online today, researchers from Royal Holloway University of London and The Field Museum of Natural History in Chicago have shown ...
Other Sciences / Archaeology & Fossils
Mar 29, 2012 |
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Paleontologists discover fossilized embryos of oldest aquatic reptiles
South American paleontologists report they have discovered fossilized embryos of the oldest aquatic reptiles, lagoon-dwelling "mesosaurs" that lived about 280 million years ago.
Other Sciences / Archaeology & Fossils
Mar 28, 2012 |
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The oldest evidence of bioturbation on Earth
The Ediacaran Period, an interval in Earth's history after the Snowball Earth glaciations but before the Cambrian radiations, marks the introduction of complex macroscopic organisms synchronously in unrelated groups. It has ...
Space & Earth / Earth Sciences
Mar 20, 2012 |
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World record find: Oldest evidence of lobsters living together discovered in gas shale
(PhysOrg.com) -- Discovering direct animal behavior from the fossil record can only be done in exceptional circumstances. Such circumstances exist in the German Posidonia gas shale from the Jurassic period ...
Other Sciences / Archaeology & Fossils
Mar 08, 2012 |
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Multiple species of seacows once coexisted: study
Sirenians, or seacows, are a group of marine mammals that include manatees and dugongs; today, only one species of seacow is found in each world region. Smithsonian scientists have discovered that this was ...
Other Sciences / Archaeology & Fossils
Mar 08, 2012 |
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Mechanism for Burgess Shale-type preservation
The Burgess Shale of British Columbia is arguably the most important fossil deposit in the world, providing an astounding record of the Cambrian "Explosion," the rapid flowering of complex life from single-celled ancestors. ...
Space & Earth / Earth Sciences
Mar 07, 2012 |
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Fossil finds help fill in Romer's Gap
(PhysOrg.com) -- A collection of new fossil finds in Scotland that date back to the 15 million year period between 345 and 360 million years ago are helping to fill the almost blank fossil record during a ...
Other Sciences / Archaeology & Fossils
Mar 06, 2012 |
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Hot-spring fossils preserve complete Jurassic ecosystem
Scientists are uncovering a beautifully-preserved ecosystem from around a Jurassic hot spring, helping fill a gap in the fossil record of more than 300 million years.
Other Sciences / Archaeology & Fossils
Mar 02, 2012 |
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Fossil Pongo showing different periodicity of Retzius lines
Periodicity of Retzius lines of primates is a key factor in dental development, and provides information on classification, evolution and adaptation of hominoids in different times and areas. Paleoanthropologists ...
Other Sciences / Archaeology & Fossils
Feb 27, 2012 |
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Research reveals aquatic bacteria more recent move to land
Research by University of Tennessee, Knoxville, faculty has discovered that bacteria's move from sea to land may have occurred much later than thought. It also has revealed that the bacteria may be especially useful in bioenergy ...
Dec 22, 2011 |
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Study of fish fossil shows that 'head-first' diversity drives vertebrate evolution
The history of evolution is periodically marked by explosions in biodiversity, as groups of species try out a wide range of shapes and sizes. With a new analysis of two such adaptive radiations in the fossil ...
Dec 20, 2011 |
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