Related topics: proceedings of the national academy of sciences



Evolutionary biology

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Evolutionary biology is a sub-field of biology concerned with the origin of species from a common descent and descent of species, as well as their change, multiplication and diversity over time. Someone who studies evolutionary biology is known as an evolutionary biologist.

For more information about Evolutionary biology, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.


News tagged with evolutionary biology

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duck

Researchers reveal secrets of duck sex: It's all screwed up

Biology / Plants & Animals

created Dec 23, 2009 | popularity 3.9 / 5 (11) | comments 0

Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...


Warming climate chills Sonoran Desert's spring flowers

Warming climate chills Sonoran Desert's spring flowers

Biology / Ecology

created Dec 16, 2009 | popularity 3.2 / 5 (9) | comments 3

Global warming is giving a boost to Sonoran Desert plants that have an edge during cold weather, according to new research.


Poisonous Poisson

Poisonous Poisson

Biology / Evolution

created Dec 04, 2009 | popularity 4 / 5 (6) | comments 0

In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species, published in the ...


Sucker-footed bats don't use suction after all

Sucker-footed bats don't use suction after all (w/ Video)

Biology / Plants & Animals

created Dec 14, 2009 | popularity 4.3 / 5 (3) | comments 0

There are approximately 1,200 species of bats worldwide. Of that total, only six are known to roost with their heads pointed upward. Investigators did not know why, because they knew next to nothing about ...


Researchers demonstrate nanoscale X-ray imaging of bacterial cells

Researchers demonstrate nanoscale X-ray imaging of bacterial cells

Physics / General Physics

created Dec 07, 2009 | popularity 5 / 5 (2) | comments 0

An ultra-high-resolution imaging technique using X-ray diffraction is a step closer to fulfilling its promise as a window on nanometer-scale structures in biological samples. In the Proceedings of the National Ac ...


Soap opera in the marsh: Coots foil nest invaders, reject impostors

Soap opera in the marsh: Coots foil nest invaders, reject impostors

Biology / Plants & Animals

created Dec 16, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- The American coot is a drab, seemingly unremarkable marsh bird common throughout North America. But its reproductive life is full of deception and violence.