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“Animal Evolution”

Oct 9, 2015 09:55 AM ET // Dani Cooper, ABC Science Online
The ability, known as protrusion, allows fish to extend their jaw and snap up otherwise elusive prey, making them effective hunters.
Oct 8, 2015 09:50 AM ET //
The wing has the oldest occurrence of connective tissue in association with flight feathers of birds.
Oct 6, 2015 02:00 PM ET // Jennifer Viegas
We have spiders to thank (or not to thank) for knees, with the consolation that spiders have 48 knees while we only have two.
Oct 5, 2015 03:30 PM ET // Stephanie Pappas, LiveScience
Snakes lack limbs, but new research finds that they still have DNA crucial to limb development lurking in their genomes.
Sep 14, 2015 04:55 PM ET // Danny Clemens, DSCOVRD
Researchers from Lund University in Sweden have shown that well-developed eyes come at a surprising cost to other organ systems.
Sep 11, 2015 06:37 AM ET // Jennifer Viegas
A larger mouth can improve feasting, as demonstrated by a newly identified prehistoric shark that could take in enormous quantities of food.
Aug 31, 2015 03:10 PM ET // Walt Bonner,
A new study demonstrates what the world would look like for mammals if the most destructive super predator of them all had never been around.
Aug 31, 2015 08:00 PM ET // Jennifer Viegas
Long before dinosaurs and humans there was a spider relative, shaped like a Greek warship, which swam around Iowa seeking prey.
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