(Phys.org)—A team of researchers studying velvet belly lantern sharks has discovered that the species has bioluminescent cells on both its belly and near its dorsal spines. The team describes their surprising findings in ...
(Phys.org)—A team of Canadian researchers has found that one species of barnacles mate by ejecting sperm into seawater while another catches it – a process known as spermcasting. Prior to this research, scientists had ...
Mantis shrimps pack a powerful punch, whether they smash or spear their victims. According to Maya deVries and Sheila Patek from University of California, Berkeley, smasher mantis shrimps power their claws' ballistic blows ...
Plants & Animals
Nov 22, 2012
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(Phys.org)—A small, translucent sea slug called Clione antarctica swims through the cold waters near the polar regions by flapping its wings. At the same time, tiny cilia that circle the sea slug's body in three bands may ...
A New York Medical College developmental biologist whose life's work has supported the theory of evolution has developed a concept that dramatically alters one of its basic assumptions—that survival is based on a change's ...
Evolution
Oct 11, 2012
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(Phys.org)—Because traditional robot hands or grippers were first created to assist in production type enterprises, e.g. to help build cars, etc., they have not been very good at working with soft materials. For that reason, ...
(Phys.org) -- What a difference a tail makes. Robots with tails can fly through the air while maintaining their orientation, evidence that appendages for robots can enhance performance and effectiveness. Past research from ...
(Phys.org) -- Most animals move around by using their appendages, such as legs, wings, or fins. But a few exceptional creatures employ rolling as a mode of locomotion. Included in this group are rolling salamanders, spiders, ...
Almost all gnathostomes or jawed vertebrates (including osteichthyans, chondrichthyans, ‘acanthodians’ and most placoderms) possess paired pectoral and pelvic fins. To date, it has generally been believed that antiarch ...
Archaeology
Jan 10, 2012
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Male adult helminthomorph millipedes usually have one or two pairs of legs from their seventh segment modified into sexual appendages. These specialized gonopods are used as claspers to hold the female during mating or to ...
Plants & Animals
Aug 21, 2011
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