Genetic drift, not natural selection, identified as main factor driving speciation in endangered pupfish species
Scientists have identified a new member on the genetic family tree of an endangered pupfish native to south-central New Mexico.
Scientists have identified a new member on the genetic family tree of an endangered pupfish native to south-central New Mexico.
Plants & Animals
May 20, 2024
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644
The Dentinger Lab at the Natural History Museum of Utah has published a provocative new paper in the journal New Phytologist that describes their work with the much beloved mushroom, Boletus edulis, better known by gastronomers ...
Evolution
Nov 16, 2022
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528
Human populations have waxed and waned over the millennia, with some cultures exploding and migrating to new areas or new continents, others dropping to such low numbers that their genetic diversity plummeted. In some small ...
Evolution
Jun 23, 2022
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523
Tyrannosaurus rex, the fearsome predator that once roamed what is now western North America, appears to have had an East Coast cousin.
Evolution
Aug 25, 2021
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790
The mammal tree of life is a real leaner. Some branches are weighed down with thousands of species—we're looking at you, rodents and bats—while others hold just a few species.
Plants & Animals
Dec 4, 2019
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31
When they share habitat, orangethroat and rainbow darters tend to avoid one another, even though they are closely related and can produce "hybrid" offspring. The males compete with males of their own species and will almost ...
Evolution
Nov 25, 2019
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239
A new University of Michigan study of interbreeding between two species of howler monkeys in Mexico is yielding insights into the forces that drive the evolution of new species.
Ecology
Dec 22, 2018
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178
Brazil plans to divorce itself from the U.S.-centric Internet over Washington's widespread online spying, a move that many experts fear will be a potentially dangerous first step toward fracturing a global network built with ...
Internet
Sep 17, 2013
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0
(Phys.org) —A team of researchers working in India has found that tigers living in separate geographic areas mate with tigers from other groups by traversing natural corridors. In their paper published in Proceedings of ...
China's endangered wild pandas may need new dinner reservations – and quickly – based on models that indicate climate change may kill off swaths of bamboo that pandas need to survive.
Environment
Nov 11, 2012
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0