Evolutionary biologists have for a long time disagreed on the rate of evolution when new species emerge. Are new species the result of gradual changes—as Charles Darwin suggested—or is evolution speeding up for short ...
Evolution
Jun 3, 2020
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When you hear the term "evolutionary tree," you may think of Charles Darwin and the study of the relationships between different species over the span of millions of years.
Evolution
Apr 7, 2020
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The remarkable diversity of California's plant life is largely the result of low extinction rates over the past 45 million years, according to a new study published in the journal Evolution. Although many new species have ...
Evolution
Jan 9, 2013
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As climate change causes temperatures to rise, the number of herbivores will decrease, affecting the human food supply, according to new research from the University of Toronto.
Ecology
Oct 4, 2011
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American pikas, the chirpy, potato-sized denizens of rocky debris in mountain ranges and high plateaus in western North America, are holding their own in the Southern Rocky Mountains, says a new University of Colorado Boulder ...
Ecology
Sep 1, 2011
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Male crickets advertise their attractiveness with a loud and clear call to females. Calling effort has been linked to more mating success, but what are the hidden costs of showing off?
Plants & Animals
May 26, 2011
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A new study suggests that high mortality rates in small-bodied people, commonly known as pygmies, may be part of the reason for their small stature. The study, by Jay Stock and Andrea Migliano, both of the University of Cambridge, ...
Evolution
Oct 5, 2009
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For many decades, evolutionary biologists assumed that the changes in DNA, known as mutations, occur irrespective of any consequences for the organism. A team led by Professor Detlef Weigel, Director at the Max Planck Institute ...
Evolution
Feb 15, 2022
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The Sherpa population in Tibet is world-renowned for their extraordinary high-altitude fitness, as most famously demonstrated by Tenzing Norgay's ability to conquer Mount Everest alongside Sir Edmund Hillary. The genetic ...
Biotechnology
Sep 17, 2013
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