03/11/2011

Chromosome centromeres are inherited epigenetically

Centromeres are specialised regions of the genome, which can be identified under the microscope as the primary constriction in X-shaped chromosomes. The cell skeleton, which distributes the chromosomes to the two daughter ...

Evolution during human colonizations

Most human populations are the product of a series of range expansions having occurred since modern humans left Africa some 50,000 years ago to colonize the rest of the world, but how have these processes influenced today's ...

Tropical forests are fertilized by air pollution

Scientists braved ticks and a tiger to discover how human activities have perturbed the nitrogen cycle in tropical forests. Studies at two remote Smithsonian Institution Global Earth Observatory sites in Panama and Thailand ...

11/11/11: Anthropologist debunks doomsday myths

University of Kansas anthropologist and Maya scholar John Hoopes and his students are watching predicted doomsday dates such as 11/11/11 and Dec. 21, 2012, with considerable skepticism.

Chromosomal 'breakpoints' linked to canine cancer

North Carolina State University researchers have uncovered evidence that evolutionary "breakpoints" on canine chromosomes are also associated with canine cancer. Mapping these "fragile" regions in dogs may also have implications ...

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