(Phys.org)—How can a square meter of meadow contain tens of species of plants? And what factors determine the number of species that live in an ecosystem? Science journal has defined this as one of the ...

Biology - Ecology

Dec 27, 2012 5 / 5 (7) 7 |

(PhysOrg.com) -- In many fields of applied science, such as geology, there are often tensions and disagreements between scientists who specialize in analyses of problems using mathematical models to describe sets of collected ...

Space & Earth - Earth Sciences

Dec 02, 2011 4 / 5 (2) 0

(PhysOrg.com) -- The nation is still debating the effects of antidepressant medications on brain chemistry almost 20 years after publication of the best-seller "Listening to Prozac." Though selective serotonin reuptake inhibitors ...

Medicine & Health - Psychology & Psychiatry

Dec 07, 2009 4.3 / 5 (12) 0