Tape measures. Rulers. Graphs. The gas gauge in your car, and the icon on your favorite digital device showing battery power. The number line and its cousins – notations that map numbers onto space and often represent ...
Mathematics
Apr 25, 2012
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Scientists have long observed that species seem to have become increasingly capable of evolving in response to changes in the environment. But computer science researchers now say that the popular explanation of competition ...
Evolution
Apr 26, 2013
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(Phys.org) -- Religions are thought to serve as bulwarks against unethical behaviors. However, when it comes to predicting criminal behavior, the specific religious beliefs one holds is the determining factor, says a University ...
Social Sciences
Jun 19, 2012
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When Gulf of Mexico algae don't get enough nutrients, they focus their remaining energy on becoming more and more poisonous to ensure their survival, according to a new study by scientists from North Carolina State University ...
Environment
Mar 12, 2013
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(PhysOrg.com) -- UCLA scientists report for the first time on the only known frog species that can communicate using purely ultrasonic calls, whose frequencies are too high to be heard by humans. Known as Huia cavitympanum, ...
Plants & Animals
May 11, 2009
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(PhysOrg.com) -- The raptor-like Archaeopteryx has long been viewed as the archetypal first bird, but new research reveals that it was actually a lot less “bird-like” than scientists had believed.
Archaeology
Oct 8, 2009
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The discovery of a new species of ichthyosaurs considerably changes our understanding of the evolution and the extinction of these dinosaur age sea reptiles, according to a study published this week in PLoS ONE by an international ...
Archaeology
Jan 5, 2012
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(Phys.org)—Crocodiles are often thought of as living fossils, remaining unchanged since the time of the dinosaurs. But scientists have shown this is not always the case and that 150 million years ago, their feeding mechanisms ...
Archaeology
Sep 19, 2012
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A University of Missouri researcher has identified a new species of prehistoric crocodile. The extinct creature, nicknamed "Shieldcroc" due to a thick-skinned shield on its head, is an ancestor of today's crocodiles. Its ...
Archaeology
Jan 31, 2012
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Scientists have for the first time estimated the physical footprint of human activities on the deep seafloor of the North East Atlantic. The findings published in the journal PLoS ONE reveal that the area disturbed by bottom ...
Environment
Sep 14, 2010
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