The power of purple
Kansas State University isn't the only place where the color purple rules. In the plant world, many plants are defined by their purple color.
Plants & Animals
Feb 9, 2011
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Page 9 - News tagged with evolutionary advantage
Foraging for fat: Crafty crows use tools to fish for nutritious morsels
Researchers from the Universities of Oxford and Exeter have used CSI-style analysis to reveal the huge benefits conferred on New Caledonian crows through tool use. Their results give hard evidence of the huge evolutionary ...
Plants & Animals
Sep 16, 2010
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It's official: dogs really do imitate their owners
(PhysOrg.com) -- Scientists studying imitative behavior have found that, just like people, dogs learn quickest by automatic imitation. Apart from the budgerigar, this is the first time automatic imitation has been demonstrated ...
New hypothesis for human evolution and human nature
It's no secret to any dog-lover or cat-lover that humans have a special connection with animals. But in a new journal article and forthcoming book, paleoanthropologist Pat Shipman of Penn State University argues that this ...
Evolution
Jul 20, 2010
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Some like it hot: Site of human evolution was scorching
If you think summer in your hometown is hot, consider it fortunate that you don't live in the Turkana Basin of Kenya, where the average daily temperature has reached the mid-90s or higher, year-round, for the past 4 million ...
Earth Sciences
Jun 8, 2010
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An sRNA controls a bacterium's social life
For the first time, biologists have directly shown how spontaneous mutation of a small RNA (sRNA) regulatory molecule can provide an evolutionary advantage. Reporting in this week's Science, Indiana University Bloomington ...
Cell & Microbiology
May 20, 2010
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Bacterial 'food supplements' for small algae
To boost their diet of mineral nutrients and sunlight, small algae also feast on bacteria in order to grow and fix carbon dioxide (CO2). Understanding more about the lifestyle of small algae - which are major players in CO2 ...
Cell & Microbiology
Mar 29, 2010
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Sweet as can be: How E. coli gets ahead
Scientists at the University of York have discovered how certain bacteria such as Escherichia coli have evolved to capture rare sugars from their environment giving them an evolutionary advantage in naturally competitive ...
Biochemistry
Nov 12, 2009
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Bacteria expect the unexpected: Scientists observe the emergence of a new adaptation strategy
Organisms ensure the survival of their species by genetically adapting to the environment. If environmental conditions change too rapidly, the extinction of a species may be the consequence. A strategy to successfully cope ...
Cell & Microbiology
Nov 4, 2009
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High mortality rates may explain small body size
A new study suggests that high mortality rates in small-bodied people, commonly known as pygmies, may be part of the reason for their small stature. The study, by Jay Stock and Andrea Migliano, both of the University of Cambridge, ...
Evolution
Oct 5, 2009
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