Performing experiments in a river in Trinidad, a team of evolutionary biologists has found that male guppies continue to reproduce for at least ten months after they die, living on as stored sperm in females, ...
Jun 12, 2013
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Individuals of a particular species generally differ from one another. We are clearly most adept at recognizing members of our own species, although dog and cat owners will be ready to confirm that their ...
Jun 11, 2013
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A fungus that has decimated amphibians globally is much older than previously thought, but may have recently spread through the global wildlife trade to new locations where amphibians have no immunity, reports ...
May 30, 2013
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Researchers at the Universitat Autònoma de Barcelona are the first to have studied the effects of a heatwave on the genetic make-up of a species. The researchers have been monitoring the evolution of the fly Drosophila subobscura ...
Jun 05, 2013
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A genetic mutation that occurred thousands of years ago might be the answer to how early humans were able to move from central Africa and across the continent in what has been called "the great expansion," according to new ...
Sep 19, 2012
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A team of plant geneticists at Cold Spring Harbor Laboratory (CSHL) has successfully demonstrated what it describes as a "simple hypothesis" for making significant increases in yields for the maize plant.
Feb 03, 2013
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Long before Europeans settled in Australia humans had migrated from the Indian subcontinent to Australia and mixed with Australian aborigines.
Jan 14, 2013
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The freshly sequenced genome of the most commonly cultivated cacao plant in the world is revealed in the open access journal Genome Biology this week. Researchers have utilised high quality DNA sequences to demonstrate t ...
Jun 02, 2013
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Genomic analyses suggest that patterns of genetic diversity which indicate population movement may not be as ancient as previously believed, but may be attributable to recent events. This study published in BioMed Central's ...
May 20, 2013
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(Phys.org)—Willow trees cultivated for 'green energy' can yield up to five times more biofuel if they grow diagonally, compared with those that are allowed to grow naturally up towards the sky.
Jan 20, 2013
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To discover why Neandertals are most closely related to people outside Africa, Harvard and Max Planck Institute scientists have estimated the date when Neandertals and modern Europeans last shared ancestors. The research, ...
Oct 04, 2012
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A genome-wide analysis searching for evidence of long-lived balancing selection—where the evolutionary process acts not to select the single best adaptation but to maintain genetic variation in a population—has uncovered ...
Feb 14, 2013
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Humans share over 90% of their DNA with their primate cousins. The expression or activity patterns of genes differ across species in ways that help explain each species' distinct biology and behavior.
Nov 06, 2012
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Agricultural researchers on Tuesday said they had found a gene that boosts the digestibility of sorghum, transforming a humble grain into a potential famine-beater.
Feb 12, 2013
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