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Fighting Viruses with RNAi
Ruth Williams | Oct 10, 2013
The long-debated issue of whether mammals can use RNA interference as an antiviral defense mechanism is finally put to rest.
Surprising Similarities in Divergent Genomes
Ruth Williams | Sep 4, 2013
Researchers find genome-wide evidence of convergent evolution between bats and dolphins.
Ancient Mammalian Fossil Found
Kate Yandell | Aug 16, 2013
is the oldest representative of a prolific and long-lasting mammalian lineage.
New Carnivorous Mammal Discovered
Chris Palmer | Aug 15, 2013
The olinguito, misidentified by zookeepers and museum curators for nearly a century, is the first new carnivorous mammal discovered in the Western Hemisphere in 35 years.
Fossils Snarl Mammalian Roots
Tracy Vence | Aug 7, 2013
Two newly discovered Jurassic-era fossils suggest drastically different mammalian origins.
The Roots of Monogamy
Dan Cossins | Jul 31, 2013
A new analysis suggests that infanticide drove the evolution of pair living in some primate species, though another study reaches a different conclusion.
Building Complex Brains
Kate Yandell | Apr 29, 2013
Manipulating a gene that regulates folding in the cerebral cortex can make mouse brains look more human.
Fly Guts Reveal Animal Inventory
Beth Marie Mole | Jan 7, 2013
Stomachs of flesh-eating flies carry the DNA of animals in remote rainforests.
Climate Change Threatens Mammals
Sabrina Richards | May 16, 2012
Almost 10 percent of mammals in the Western Hemisphere won’t be able to shift their territories in time to avoid the consequences of climate change.
There and Back Again
Sabrina Richards | Feb 1, 2012
A new study estimates the number of generations necessary to evolve from mouse-sized to elephantine, and shows that it’s quicker to get small.