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Greg Osmond
May 10, 2013 09:05PM

I was watching two Minke whales for one hour today near my home in Woody Point, ...
Melvin Lusterio
May 09, 2013 08:05PM

The Good Force be with you! Well done, Team Curiosity! Keep it up! Live fo...
shaymaa elgbaly
May 09, 2013 01:05AM

amazing !
C Michael Hogan
May 08, 2013 09:05PM

Documentation on the Seine barges in the 17th century is scant, but apparently m...

Evolutionary Biology

Evolutionary Biology

    • Mutation Featured Article Mutation Mutation

      A mutation is an alteration of the genomic sequence of DNA molecules. Mutations may cause altered function in the affected organism, or may cause alteration of inherited traits of... More »

    • Virus Featured Article Virus Virus

      A virus is a microscopic organism that can replicate only inside the cells of a host organism. Most viruses are so tiny they are only observable with at least a conventional... More »

    • Pliocene Featured Article Pliocene Pliocene

      Editor's note: The Pliocene is the period of the geologic timescale that spans the era from approximately 5.331 to 2.588 million years ago. It preceeds the Pleistocene... More »

    • Extremophile Featured Article Extremophile Extremophile

      An extremophile is an organism adapted to unusual limits of one or more abiotic factors in the environment. Some of the extreme conditions are temperature, pH, high salinity,...

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    • Fern Featured Article Fern Fern

       A fern is any one of a group of about 12,000 species of vascular plants[1] Lacking flowers and seeds, ferns reproduce by spores; otherwise, ferns have the major... More »

    • Edenic Period Featured Article Edenic Period Edenic Period

      Definition The Edenic Period is a span of time in which prehistoric speciation and extinction rates were deemed to be in average long term equilibrium, before the... More »

    • Evolution in Action Featured Article Evolution in Action Evolution in Action

      ?Main Image: Scientists have found a population of tropical butterflies that may be on its way to splitting into two distinct species based on wing color and mate preference.... More »

    • Epigenetics: The Science of Change Featured Article Epigenetics: The Science of Change Epigenetics: The Science of Change

      Researchers, physicians, and others have investigated the dark crevices of the gene, trying to untangle clues that might indicate that gene function could be altered by more... More »

    • DNA Featured Article DNA DNA

      Deoxyribonucleic acid (DNA) is a long chain organic molecule that contains the coding for all metabolic and reproductive processes of all living organisms, save for certain... More »

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Sea of Japan Last Updated on 2013-05-13 at 23:24 The Sea of Japan (also East Sea) is a marginal sea of the western Pacific Ocean between the coasts of Korea (North and South) and Russia on the Asia mainland and the islands of... More »
Fern Last Updated on 2013-05-01 at 15:16  A fern is any one of a group of about 12,000 species of vascular plants[1] Lacking flowers and seeds, ferns reproduce by spores; otherwise, ferns have the major... More »
Species range limits Last Updated on 2013-03-27 at 15:54 Species range limits (SRLs) are defined as the spatial boundaries beyond which no living individuals of a given species occur.  Populations occurring near or at SRLs are... More »
Species diversity Last Updated on 2013-03-21 at 18:34 Introduction Species diversity is a measure of the diversity within an ecological community that incorporates both species richness (the number of species in a... More »
Adaptations of desert plants Last Updated on 2013-02-21 at 14:19 Adaptations of desert plants are the morphological and behavioral responses of flora to maximize their chances of survival in arid regions. The impression that the desert... More »
Evolution of flammability Last Updated on 2013-02-18 at 11:04 The evolution of flammability is an intricate time progression of ancient plant adaptation to the changing disturbance regimes of natural wildfires. Wildfires are a powerful... More »
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