The oldest leech ever discovered has turned out to be a shape shifter of expectations, preserving a body plan that looks nothing like the streamlined bloodsuckers that haunt horror movies and hospital ...
Hundreds of millions of years before the evolution of animals with segmented bodies, jointed skeletons or appendages, soft-bodied invertebrates like sea slugs ruled the seas. A new study finds ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Since its discovery nearly 70 years ago, paleontologists have ...
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