Scientists look to fossils and evolutionary trees to help determine the rate of evolution – albeit with conflicting results. A new model by ETH researchers has helped to resolve these contradictions.
Evolution
Dec 18, 2018
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135
A team working at the Smithsonian Tropical Research Institute (STRI) found evidence to support a long-debated mode of evolution, revealing how evolution captures environmental variation to teach old genes new tricks: Sweat ...
Plants & Animals
Jun 8, 2020
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197
Mouse deer are among the smallest ruminants in the world. Today, they live in the tropics of Africa and Asia and are barely larger than hares. Males and females differ little in appearance. But that was not the case about ...
Paleontology & Fossils
May 19, 2022
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141
An interdisciplinary team of researchers led by biologists at the University of Massachusetts Amherst recently published the results of a first-of-its-kind study investigating the links between gene expression and brain evolution ...
Evolution
Mar 28, 2024
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270
By mapping various genomes onto an X-Y axis, a team comprised mostly of Kansas State University researchers has found that Charles Darwin and a fruit fly -- among other organisms -- have a lot in common genetically.
Biotechnology
Jul 6, 2011
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Scientists have sequenced the genome of one of the iconic Galapagos finches first described by Charles Darwin. The genome of the medium ground finch (Geospiza fortis) is among the first of a planned 100 genomes of vertebrate ...
Biotechnology
Aug 17, 2012
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Frogs, salamanders and other amphibians may eventually have no safe haven left on the globe because of a triple threat of worsening scourges, a new study predicts.
Plants & Animals
Nov 16, 2011
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Loss of biodiversity in the face of climate change is a growing worldwide concern. Another major factor driving the loss of biodiversity is the establishment of invasive species, which often displace native species. A new ...
Evolution
Feb 22, 2021
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155
(Phys.org)—Moving animals for conservation is not a panacea. This is what Irene Pérez and colleagues from Arizona State University and several Spanish institutions have concluded after evaluating 280 published translocation ...
Ecology
Nov 6, 2012
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It can take years of direct observation for a researcher to fully understand the diets of a community of herbivorous insects in a tropical rain forest. Now, five Smithsonian scientists are paving a fast track using the DNA ...
Plants & Animals
Mar 25, 2013
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