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Beating the Odds for Lucky Mutations
...resistance to UV or antibiotics. The question that has tormented some evolutionary biologists ever since is whether nature favored this arrangement. Is the upsurge in mutations merely a secondary consequence...
Scientists Unveil New Inventory of Universe’s Dark Contents
...of evolution, are more complex and harder to glean information from than the cosmic microwave background, but according to experts, they will ultimately offer a richer picture of the universe’s...
Shrinking Bat DNA and Elastic Genomes
...an evolutionary biologist at the Royal Botanic Gardens, Kew, in England. Her reaction mimicked the befuddlement of countless anthropocentric minds who have puzzled over this discrepancy since scientists began comparing...
Black-Hole Hunter Takes Aim at Einstein
...hole has been identified, but her explorations are far from over. Theories of galactic evolution suggest that the Milky Way’s center should have lots of old stars and almost no...
First Support for a Physics Theory of Life
...the properties of those objects to influence their reproductive rates. Once you have those two conditions, you’re basically in a situation where Darwinian evolution kicks in, and to biologists, that’s...
Building Codes for Bacterial Cities
...rules that govern the formation and evolution of biofilms. Those biophysical forces are like universal zoning rules for the biofilm cities: they govern how the inhabitants obtain food and building...
In Game Theory, No Clear Path to Equilibrium
...equilibrium concept, which earned him a Nobel Prize in economics in 1994, offers a unified framework for understanding strategic behavior not only in economics but also in psychology, evolutionary biology...
Missing Mutations Suggest a Reason for Sex
...of those hypothetical individuals supports a theory about the interactions of harmful mutations and the evolutionary value of sex. Alexey Kondrashov, professor of ecology and evolutionary biology at the University...
Why Are There Two Sexes?
...saw in the May insights column, Can Darwinian Evolution Explain Lamarckism?, evolutionary-fitness calculations over many generations are essentially serial multiplications. And there’s a key difference between asexual and sexual populations....