Bright colors and conspicuous markings are often used in nature to warn off would-be predators. While we are used to seeing such markings—termed aposematic signals—in plants, caterpillars and snakes, we do not usually ...
Plants & Animals
Sep 10, 2019
0
73
The mechanisms by which new species arise are still not fully understood. What are the evolutionary processes that drive the evolution of new species? Evolutionary biologists traditionally assumed that geographical barriers ...
Evolution
Aug 14, 2019
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13
Identifying species among plants and animals has been a full-time occupation for some biologists, but the task is even more daunting for the myriad microbes that inhabit the planet. Now, MIT researchers have developed a simple ...
Ecology
Aug 8, 2019
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63
With only a few cases of ethanol to preserve tissue samples for total genomic DNA analysis, a trio covered much ground in the mountains of Japan and Korea to elucidate the evolution of the scorpionfly. The rugged scientists ...
Evolution
Jul 8, 2019
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0
Carrion crows and hooded crows are almost indistinguishable genetically, and hybrid offspring are fertile. Ludwig-Maximilians-Universitaet (LMU) in Munich biologists now show that the two forms have remained distinct largely ...
Plants & Animals
Mar 27, 2019
1
66
For thousands of years brewers made beer using specialized strains of the budding yeast Saccharomyces cerevisiae. The historical origins of brewer's yeast are not well understood, however, as brewing predates the discovery ...
Cell & Microbiology
Mar 5, 2019
0
176
An international research team coordinated by the Max Planck Institute for the Science of Human History (MPI-SHH) and the Eurasia Department of the German Archaeological Institute (DAI) in Berlin is the first to carry out ...
Archaeology
Feb 4, 2019
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194
Many organisms including insects, amphibians and yeasts use sex pheromones for attracting individuals of the opposite sex, but what happens to sex pheromones as new species emerge? New research publishing January 22 in the ...
Cell & Microbiology
Jan 22, 2019
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66
A team of researchers at the Max Planck Institute for Evolutionary Anthropology has found evidence that suggests there has been no long-term removal of Neandertal DNA from modern Europeans. In their paper published in Proceedings ...
Most evolutionary biologists distinguish one species from another based on reproductivity: members of different species either won't or can't mate with one another, or, if they do, the resulting offspring are often sterile, ...
Plants & Animals
Jan 3, 2019
0
11
