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Cohesion

Cohesion

Cohesion is the attraction between molecules of the same type, such as water molecules. Water molecules have an overall neutral charge but are polar molecule. An oxygen atom in one water molecule has a partial negative charge that can bind to a hydrogen atom with a partial positive charge in a second water molecule, forming a hydrogen bond. Each water molecule can form up to four hydrogen bonds with other water molecules. Hydrogen bonds are responsible for water's cohesive nature.
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Related Experiment Video

Updated: May 7, 2025

Establishing an Octopus Ecosystem for Biomedical and Bioengineering Research

Establishing an Octopus Ecosystem for Biomedical and Bioengineering Research

Published on: September 22, 2021

Interdisciplinary science, inspired by cephalopods.

Robyn Crook¹, Alon A Gorodetsky²

¹Department of Biology, San Francisco State University, San Francisco, CA 94132, USA.

|January 6, 2025

Summary

This summary is machine-generated.

Cephalopods, including squid and octopus, fascinate scientists with their advanced nervous systems and camouflage. This research highlights how these marine animals inspire breakthroughs in neuroscience, cell biology, and materials engineering.

Area of Science:

Marine Biology
Neuroscience
Materials Science
Biomimicry

Background:

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Cephalopods (squid, octopus, cuttlefish, nautilus) possess complex neurophysiology.
These marine invertebrates exhibit intricate behavioral patterns.
Their remarkable camouflage abilities are of significant scientific interest.