News tagged with adaptive evolution
Culture not genes drives humans forward
Evolutionary biologist at the University of Reading Professor Mark Pagel argues that our cultural influences are more important to our success as a species than our genes in his new book published this week.
Other Sciences / Social Sciences
Feb 27, 2012 |
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British butterfly is evolving to respond to climate change
As global temperatures rise and climatic zones move polewards, species will need to find different environments to prevent extinction. New research, published today in the journal Molecular Ecology, has re ...
Nov 30, 2011 |
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Climatic fluctuations drove key events in human evolution
Research at the University of Liverpool has found that periods of rapid fluctuation in temperature coincided with the emergence of the first distant relatives of human beings and the appearance and spread of stone tools.
Other Sciences / Archaeology & Fossils
Sep 21, 2011 |
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Evolution keeps sex determination flexible
There are many old wives' tales about what determines a baby's sex, yet it is the tight controls at the gene level that determine an organism's sex in most species. Researchers at Michigan State University have found that ...
Sep 12, 2011 |
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Scientist finds rapidly adapting fanged frogs
(PhysOrg.com) -- Scientists led by biologist Ben Evans of McMaster University have documented the rapid adaptation of new fanged frog species on the island of Sulawesi, Indonesia.
Aug 16, 2011 |
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Discovering the bigger picture in chromosomes
By mapping various genomes onto an X-Y axis, a team comprised mostly of Kansas State University researchers has found that Charles Darwin and a fruit fly -- among other organisms -- have a lot in common genetically.
Jul 06, 2011 |
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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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Subtle shifts, not major sweeps, drove human evolution
The most popular model used by geneticists for the last 35 years to detect the footprints of human evolution may overlook more common subtle changes, a new international study finds.
Feb 17, 2011 |
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Adapting to darkness: How behavioral and genetic changes helped cavefish survive extreme environment
University of Maryland biologists have identified how changes in both behavior and genetics led to the evolution of the Mexican blind cavefish (Astyanax mexicanus) from its sighted, surface-dwelling ancest ...
Sep 14, 2010 |
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Scientists reveal driving force behind evolution
Scientists at the University of Liverpool have provided the first experimental evidence that shows that evolution is driven most powerfully by interactions between species, rather than adaptation to the environment.
Feb 25, 2010 |
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Scientists show 'lifeless' prions capable of evolutionary change and adaptation
Scientists from The Scripps Research Institute have determined for the first time that prions, bits of infectious protein devoid of DNA or RNA that can cause fatal neurodegenerative disease, are capable of Darwinian evolution.
Medicine & Health / Medical research
Dec 31, 2009 |
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Two-million-year-old evidence shows tool-making hominins inhabited grassland environments
In an article published in the open-access, peer-reviewed journal PLoS ONE on October 21, 2009, Dr Thomas Plummer of Queens College at the City University of New York, Dr Richard Potts of the Smithsonian Institution Nation ...
Other Sciences / Archaeology & Fossils
Oct 21, 2009 |
3.5 / 5 (2) |
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International scientists set boundaries for survival
Human activities have already pushed the Earth system beyond three of the planet's biophysical thresholds, with consequences that are detrimental or even catastrophic for large parts of the world; six others ...
Sep 23, 2009 |
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Hundreds of Natural-Selection Studies Could be Wrong, Study Demonstrates
(PhysOrg.com) -- Scientists at Penn State and the National Institute of Genetics in Japan have demonstrated that several statistical methods commonly used by biologists to detect natural selection at the molecular ...
Mar 30, 2009 |
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Evolution, ecosystems may buffer some species against climate change
(Physorg.com) -- Although ecologists expect many species will be harmed by climate change, some species could be buffered by their potential to evolve or by changes in their surrounding ecosystems.
Mar 05, 2009 |
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