BlogArena

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

19. May 2019

November 27, 2013
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From Mercury to Morocco, and onward to Yale: a meteorite’s tale

Talk about a precious stone — the largest piece of the only known meteorite from the planet Mercury has found its way to Yale, where it is now on display at the Peabody Museum of Natural History. Known as NWA … Continue reading

May 24, 2013
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Small, Speedy Plant-Eater Extends Knowledge of Dinosaur Ecosystems

Bethesda, MD — Dinosaurs are often thought of as large, fierce animals, but new research highlights a previously overlooked diversity of small dinosaurs. In the Journal of Vertebrate Paleontology, a team of paleontologists from the University of Toronto, Royal Ontario … Continue reading

May 1, 2013
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Deep in Texas, a plant-eating feathered dinosaur reemerges

A recently identified feathered dinosaur found deep in West Texas reinforces an emerging view that creatures like it were more diverse and widespread in North America than previously thought, according to a new study. The species — a turkey-sized herbivore … Continue reading

February 9, 2013
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Placental Mammal Diversity Blossomed After Age of Dinosaurs

Scientists build new ‘tree of life’ for placentals, visualize common ancestor Scientists have reconstructed the common ancestor of placental mammals–an extremely diverse group including animals ranging from rodents to whales to humans–using the world’s largest dataset of both genetic and … Continue reading

November 22, 2012
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For Ancient Birds, Wing Feathers Were a Serious Drag

A new study of ancient feathers adds weight to the theory that primitive birds — close relatives of feathered dinosaurs — were far less versatile fliers than their modern descendants. “We don’t think these things could take off from the … Continue reading

January 1, 2012
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North American Mammal Evolution Tracks with Climate Change

*Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years, shows a novel statistical analysis led by Brown University evolutionary biologists. Warming and cooling … Continue reading

December 18, 2010
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Colossal Fossil: Museum’s New Whale Skeleton Represents Decades of Research

ANN ARBOR, Mich.—There’s a whale of a new display at the University of Michigan Exhibit Museum of Natural History, a leviathan that represents a scientific saga of equally grand proportions. A complete, 50-foot-long skeleton of the extinct whale Basilosaurus isis, … Continue reading