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invertebrates

octopus
Photo credit: Pseudopanax at English Wikipedia [Public domain], from Wikimedia Commons.

Can Largely Rearranged Genomes Explain Why Octopuses Are So Smart?

Even compared to each other, the genomes of three cephalopods studied had been broken up and extensively reorganized. Read More ›
earthworm
Photo: An earthworm, Swifts Creek, Victoria, by Fir0002/Flagstaffotos.

Evolutionary Psychologist Argues that Worms Feel Pain. But How?

Wait. Barash’s hypothesis overlooks the fact that suffering is more than an alarm system. An alarm could be going off in an empty building. Read More ›
New Caledonian crow
Image: New Caledonian crow, by John Gerrard Keulemans, Public domain, via Wikimedia Commons.

The Remarkable Things We’re Learning About Bird Intelligence

These findings are only among birds that have actually been studied; most birds have not been studied for intelligence. Read More ›
octopus
Photo credit: Pseudopanax at English Wikipedia [Public domain], from Wikimedia Commons.

Octopuses Get Emotional About Pain, Research Shows

The smartest of invertebrates, the octopus, once again prompts us to rethink what we believe to be the origin of intelligence. Read More ›
fire juggler
fire juggler
Photo credit: Andrea Bertozzini on Unsplash.

For Fire, Nature Obliges Us with Rapid Reflexes

One area where very fast nerve conduction is vital is vision, more specifically, in keeping the eyes fixed on some object in the field of vision while in motion. Read More ›
Hoilungia-hongkongensis

Placozoa: An Evolutionary Leftover? 

Simple, small, and worldwide in distribution, the placozoa don’t fit any clear evolutionary picture. Read More ›

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