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crustaceans

crab
Photo credit: Luis Miguel Bugallo Sánchez, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons.

Can Crabs Think? Can Lobsters Feel?

What about shrimp? Their brains turn out to have memory and learning centers, which has triggered an evolution squabble. Read More ›
common darter
Photo: Common darter, by Loz (L. B. Tettenborn), CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons.

A Flea Circus of Small Animal Acrobats

Small animals amuse and amaze scientists who take a close look at them in action. Sometimes it requires a high-speed camera to analyze the trick. Read More ›
Bathocyroe_fosteri 2
Photo: Bathocyroe fosteri, a ctenophore, by Marsh Youngbluth [Public domain], via Wikimedia Commons.

Design in the First Animals

Scientists debate whether ctenophores are the earliest animals to appear in the Cambrian explosion. If so, they arrived with multiple tissues, a nervous system, and a digestive system. Read More ›
Froghopper
insect
Photo: A froghopper, by Kaldari [Public domain], via Wikimedia Commons.

Small Wonders: Scientists Reveal the Secrets of Amazing Little Insects and Crustaceans

It often seems that the closer you need to look, the greater the wonder. It’s as if someone set it there to hide, waiting for us. Read More ›
Lizard-1-1
Blue iguana, National Zoological Park, Washington, D.C., by Jarek Tuszyński / CC-BY-SA-3.0 & GDFL [CC BY-SA 3.0 or GFDL], from Wikimedia Commons.

Extinct Four-Eyed Monitor Lizard Busts Myth of a Congruent Nested Hierarchy

Obviously, evolutionary “laws” are quite malleable and have to give way when they become too cumbersome. Read More ›

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