Results 241 to 250 of about 102,132 (263)

The origin of vertebrate teeth and evolution of sensory exoskeletons. [PDF]

open access: yesNature
Haridy Y   +10 more
europepmc   +1 more source

A pre-vertebrate endodermal origin of calcitonin-producing neuroendocrine cells.

open access: yesDevelopment
Rees JM   +10 more
europepmc   +1 more source
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Risk of extinction of a unique skate population due to predation by a recovering marine mammal.

Ecological Applications, 2019
Benefitting from reduced harvesting and an end to culling, many marine mammals are now recovering from past overexploitation. These recoveries represent important conservation successes but present a serious conservation problem when the recovering ...
D. P. Swain   +3 more
semanticscholar   +1 more source

Extended Three-Dimensional Walking and Skating Motion Generation for Multiple Noncoplanar Contacts With Anisotropic Friction: Application to Walk and Skateboard and Roller Skate

IEEE Robotics and Automation Letters, 2019
In this letter, we propose a three-dimensional (3-D) walking and skating motion generation method to achieve sequential walking and skating motion with skateboard and roller skate. For generating the sequential stable skating motion using a passive wheel,
Noriaki Takasugi   +6 more
semanticscholar   +1 more source

Trophic ecology and ontogenetic diet shift of the blue skate (Dipturus cf. flossada).

Journal of Fish Biology, 2020
S. Brown-Vuillemin   +3 more
semanticscholar   +1 more source

Structural and Functional Components of the Skate Sensory Organ Ampullae of Lorenzini.

ACS Chemical Biology, 2018
Xing Zhang   +9 more
semanticscholar   +1 more source

Ice hockey skate starts: a comparison of high and low calibre skaters

, 2017
P. Renaud   +5 more
semanticscholar   +1 more source

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