News tagged with evolution model
Study shows evolutionary adaptations can be reversed, but rarely
(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.
May 11, 2011 |
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New mathematics research proves there's plenty of time for evolution
(PhysOrg.com) -- A new mathematical model developed by researchers at the University of Pennsylvania has offered even more evidence of the correctness of evolutionary theory.
Dec 14, 2010 |
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The small insect with a big heart: the 'giving' aphids endangered by their selflessness
One of the founding principles of Darwin's theory is that biological evolution has been shaped by the survival of the fittest. Things, however, are not always that simple as researchers from Royal Holloway, ...
Feb 03, 2010 |
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Rock-paper-scissors tournaments explain ecological diversity
According to classical ecology, when two species compete for the same resource, eventually the more successful species will win out while the other will go extinct. But that rule cannot explain systems such as the Amazon, ...
Mar 14, 2011 |
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Two Earth-sized bodies with oxygen rich atmospheres found -- but they're stars not planets
(PhysOrg.com) -- Astrophysicists at the University of Warwick and Kiel University have discovered two earth sized bodies with oxygen rich atmospheres - however there is a bit of a disappointing snag for anyone ...
Nov 12, 2009 |
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Researchers of microraptor shed light on ancient origin of bird flight
A joint team from the University of Kansas and Northeastern University in China says that it has settled the long-standing question of how bird flight began.
Other Sciences / Archaeology & Fossils
Jan 25, 2010 |
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Cosmic weight watching reveals black hole-galaxy history
(PhysOrg.com) -- Using state-of-the-art technology and sophisticated data analysis tools, a team of astronomers from the Max Planck Institute for Astronomy has developed a new and powerful technique to directly ...
Sep 30, 2011 |
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Archeologists investigate Ice Age hominins' adaptability to climate change
Computational modeling that examines evidence of how hominin groups evolved culturally and biologically in response to climate change during the last Ice Age also bears new insights into the extinction of ...
Other Sciences / Archaeology & Fossils
Nov 17, 2011 |
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Shedding light on southpaws: Sports data help confirm theory explaining left-handed minority in general population
Lefties have always been a bit of a puzzle. Representing only 10 percent of the general human population, left-handers have been viewed with suspicion and persecuted across history. The word "sinister" even derives from "left ...
Other Sciences / Social Sciences
Apr 25, 2012 |
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Mother knows best, among wild vervet monkeys
Among vervet monkeys, social learning is strongly influenced by matrilineal family members, according to a study published Apr. 25 in the open access journal PLoS ONE.
Apr 25, 2012 |
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Feet may be the key to hand evolution
(PhysOrg.com) -- Scientists in Canada have used a mathematical model to simulate the evolution from an ape-like hand to the modern-day human hand, and discovered that changes in our fingers and hands developed ...
Jan 20, 2010 |
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Model explains rapid transition toward division of labor in biological evolution
The transition from colonies of individual cells to multicellular organisms can be achieved relatively rapidly, within one million generations, according to a new mathematical model, published June 10 in the open-access journal ...
Jun 10, 2010 |
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Genomic fault zones come and go
The fragile regions in mammalian genomes that are thought to play a key role in evolution go through a "birth and death" process, according to new bioinformatics research performed at the University of California, ...
Nov 30, 2010 |
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There's a speed limit to the pace of evolution, biologists say
Researchers at the University of Pennsylvania have developed a theoretical model that informs the understanding of evolution and determines how quickly an organism will evolve using a catalogue of "evolutionary speed limits." ...
Nov 02, 2009 |
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Research suggests we are genetically programmed to care about climate change
Humans may be programmed by evolution to care about the future of the environment, suggests research published today.
May 27, 2009 |
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