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By studying how electric organs arose in different lineages of fish, scientists gain new insights into a long-standing question of evolutionary biology. https://media.wired.com/photos/631262ebf89e2120665181fc/master/pass/Electric-Eel-Evolution-Quanta-Science.jpg
Enlarge / Russian domesticated foxes (credit: Kingston Photography for the JAB Canid Education and Conservation Center ) Since 1959, a unique breeding experiment has been underway in southwestern Siberia. Its founder, Dmitry Belyaev, was intrigued by the characteristics of domestication, and he observed that foxes varied in their responses to humans—some fearful, some aggressive, and a […]
Enlarge / Inside of the Vindija Cave, Croatia. (credit: M. Hajdinjak) Mezmaiskaya Cave offered shelter to Neanderthals for tens of thousands of years. The cave, located near Russia’s border with Georgia, preserved Neanderthal remains so well that researchers have now been able to extract genetic information from two different individuals who lived approximately 20,000 years […]
Species gain and shed startling amounts of DNA as they evolve, and even genomes that look stable churn furiously. What does it mean? https://media.wired.com/photos/5984c0c42181bc3f8bcacd7e/master/pass/BatGenome_Quanta-HP.jpg Feed: All Latest
To put it mildly, sequencing and building a genome from scratch isn’t cheap. It’s sometimes affordable for human genomes, but it’s often prohibitively expensive (hundreds of thousands of dollars) whenever you’re charting new territory — say, a specific person or an unfamiliar species. A chromosome can have hundreds of millions of genetic base pairs, after […]
