Double flowers—though beautiful—are mutants. The genetic interruption that causes that mutation previously helped scientists pinpoint the genes for normal development of flower sexual organs in Arabidopsis thaliana. Now ...
Evolution
Sep 4, 2012
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Geckos have independently evolved their trademark sticky feet as many as 11 times, and lost them nine times, according to research published June 27 in the open access journal PLoS ONE.
Plants & Animals
Jun 27, 2012
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Cooperating with fungi didn't just help the earliest plants spread across a barren, rocky landscape; it also played a decisive role in the rise of more complex plants with roots and leaves that make up most of today's flora.
Plants & Animals
May 24, 2012
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(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.
Plants & Animals
Sep 13, 2011
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A recent study conducted for The IUCN Red List of Threatened Species has determined that 20 percent of hagfish species are at an elevated risk of extinction*. Scientists warn that this figure could be much higher.
Ecology
Jul 29, 2011
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Researchers at The University of Western Ontario led an international and multi-disciplinary study that sheds new light on the way that bats echolocate. With echolocation, animals emit sounds and then listen to the reflected ...
Plants & Animals
Jan 24, 2010
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One hundred million years ago the earth looked very different from how it does today. Continents were joining and breaking apart, dinosaurs were roaming the earth, and flowering plants were becoming more widespread.
Plants & Animals
Jan 21, 2010
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The females of the recently discovered Osedax marine worms feast on submerged bones via a complex relationship with symbiotic bacteria, and they are turning out to be far more diverse and widespread than scientists expected. ...
Plants & Animals
Nov 9, 2009
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New species are not just discovered in exotic locales -- even places as urban as California still yield discoveries of new plants and animals. Academy scientists recently named a new species of chimaera, an ancient and bizarre ...
Plants & Animals
Sep 22, 2009
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(PhysOrg.com) -- Global calamities like the one that doomed most dinosaurs forever alter the varieties of life found on Earth, but new research shows that it doesn't take a catastrophe to end entire lineages. An analysis ...
Evolution
Aug 6, 2009
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