Modern-day parents aren't the first to put their kids on a leash. This week researchers describe an unusual 430-million-year-old arthropod that appears to have kept its young tethered to its body with strings in order to keep them safe.
Arthropods are a diverse group of animals that include crustaceans,...
via L.A. Times - Science http://ift.tt/1Xdzlf0
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