The feared Legionella pneumophila bacteria is responsible for legionellosis, an infectious disease that can lead to pneumonia. In order to infect us, this pathogen has developed a complex method enabling it to camouflage itself and go unnoticed in our cells, thus avoiding these acting against...
In his highly readable book, One Long Argument, Ernst Mayr breaks down the body of thought often referred to as "Darwin's Theory" into five separate and distinct theories, the second of which being "common descent." Darwin's second evolutionary theory (second by Mayr's count, not Darwin's) is...
Rachel Sussman shows photographs of the world's oldest continuously living organisms -- from 2,000-year-old brain coral off Tobago's coast to an "underground forest" in South Africa that has lived since before the dawn of agriculture.
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And now it is time for a new edition of Name that Organism. Each of the following photos was taken at Itasca State Park, except one. Extra points for naming which photo was not taken in the park.
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than another individual, we specifically mean that the organism
a) utilizes resources more efficiently than other species occupying similar niches.
b) leaves more viable offspring than others of its species.
c) lives longer than others of its species.
d) competes for...