News tagged with ecological effect


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Search results for ecological effect


Ecological speciation by sexual selection on good genes: Is speciation adaptive?

Biology / Ecology

created Nov 26, 2009 | popularity 5 / 5 (1) | comments 0

Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...


Humanity would need five Earths to create the resources needed if everyone lived as like Americans, a report has stated

Mankind using Earth's resources at alarming rate

Space & Earth / Environment

created Nov 24, 2009 | popularity 3.5 / 5 (22) | comments 67

Humanity would need five Earths to produce the resources needed if everyone lived as profligately as Americans, according to a report issued Tuesday.


Does a placebo gene exist?

Medicine & Health / Genetics

created Nov 30, 2009 | popularity not rated yet | comments 0

A short time ago, Swedish scientists published a paper suggesting the existence of a genetic disposition to respond to placebo, thus giving rise to debate in the media about a possible "placebo gene." In the current issue ...


The drying shores of the Dead Sea

Dead Sea needs world help to stay alive

Space & Earth / Environment

created Nov 24, 2009 | popularity 3.6 / 5 (5) | comments 3

The Dead Sea may soon shrink to a lifeless pond as Middle East political strife blocks vital measures needed to halt the decay of the world's lowest and saltiest body of water, experts say.


Studies show marine reserves can be an effective tool for managing fisheries

Biology / Ecology

created Nov 09, 2009 | popularity not rated yet | comments 0

Studies conducted in California and elsewhere provide support for the use of marine reserves as a tool for managing fisheries and protecting marine habitats, according to biologists at the University of California, Santa ...


Caught in the act: Butterfly mate preference shows how 1 species can become 2

Caught in the act: Scientists find butterflies splitting into two species

Biology / Plants & Animals

created Nov 05, 2009 | popularity 4.5 / 5 (8) | comments 5

(PhysOrg.com) -- Breaking up may actually not be hard to do, say scientists who've found a population of tropical butterflies that may be on its way to a split into two distinct species.


Exposure to both traffic, indoor pollutants puts some kids at higher risk for asthma later

Medicine & Health / Health

created Nov 24, 2009 | popularity not rated yet | comments 0

New research presents strong evidence that the "synergistic" effect of early-life exposure to both outdoor traffic-related pollution and indoor endotoxin causes more harm to developing lungs than one or the other exposure ...


'Comfort food' a stress killer: Australian study

Medicine & Health / Health

created Nov 24, 2009 | popularity not rated yet | comments 0

A high-fat, high-sugar diet could have the same effect on brain chemistry as mood-altering drugs, giving scientific support to the craving for "comfort food", Australian researchers said Tuesday.


Artificial refuges created to save the reptiles of Doņana

Artificial refuges created to save the reptiles of Doņana

Biology / Ecology

created Nov 30, 2009 | popularity not rated yet | comments 0

The Aznalcóllar mining accident more than 11 years ago, which contaminated part of the Doņana National Park, also damaged reptile habitat there. Now a team of Spanish researchers, who have been studying ...


Etiologic factors of gastric cardiac adenocarcinoma among men in Taiwan

Medicine & Health / Health

created Nov 25, 2009 | popularity not rated yet | comments 0

The gastric cardiac adenocarcinoma (GCA) is a very rare disease. In recent decades, however, the incidence of the GCA has increased dramatically in many Western countries. An increasing trend in GCA is also observed in municipal ...



List of search results for ecological effect