shellfish

California two-spot octopus. Credit: Aquarium of the Pacific/Robin Riggs

Octopuses have a secret sex chromosome – and it's older than dinosaurs

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Electron microscope photograph of the mother of pearl layer. Source: Fabian Heinemann / Wikimedia.

Bricks inspired by seashells

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The orientation of the octopus's body and the direction of movement are controlled separately and the crawling lacks any sign of patterns in the coordination between the arms. Credit: Levy et al./Current Biology 2015

How do octopuses manage to coordinately move their arms to move in the desired direction?

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The scaly-foot gastropod snail. Photo: Anders Warén, Swedish Museum of Natural History

The armor with the iron particles

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A grade school. Photo courtesy of Professor Douglas Eernisse

soft - hard?

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Sea snails have mutual sex (each is both male and female). Photo: Ayami Sakizawa, Osaka University

Nudibranch: A species of androgynous sea snail sheds its penis after each mating but also regrows it

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The pteropod sea snail, photo: NOAA

The damage of carbon dioxide and warming, the story of four rivers and one shell

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A marine creature in an aquarium in Barcelona. Photo: Avi Blizovsky

At least a third of the marine species have not been described so far

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The white moth Biston betularia that became extinct due to the soot that covered the trees during the industrial revolution and was replaced by a black moth. From Wikipedia

A few words for the skeptics

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A diver at the bottom of the Kona Blue Water Farms fish farm in Hawaii

The Blue Food Revolution / Sarah Simpson

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Seaweed off the coast of Florida. Photo: from Wikipedia

Seaweed in extinction

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The Storflaket area in Sweden, a place where the frost is melting. Photo: from Wikipedia

Warming, its effects and results

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The nibatans live mainly on the shelves of the shallow oceans, and spend a considerable part of their lives on sea ice waiting for their favorite food, oyster molluscs on the bottom. From the Great Migration series of the National Geographic Channel

Move in millions and survive as one

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"A knight strikes a bishop" SG Gould's version (1994) of the debate with Wilberforce

Chapters in the history of the theory of evolution about the ideas and those who conceived them - Chapter 13 - Part II

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

A coral reef acts as a radiation filter

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

"Red glow" in the ocean

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Animals in the sea develop into new species in a different way than on land

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

the very thing

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

New ceramic materials imitate the mother-of-pearl oyster

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Innovative adhesives inspired by animals

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

A thousand species of mammals are in immediate danger of extinction

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

An optimistic book about the coral reef in Eilat

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Memory of an octopus: how does the brain store memories?

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

On the origins of squids and smart materials

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The world's first six-armed octopus has been discovered

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

We are making progress in the material

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

How are the shells formed?

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

News from the ocean

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The trigon that killed the nature lover from Australia

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The birth of the Amazon

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The choice of nature lovers / Dr. Assaf Rosenthal

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Earth as a snowball

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Evolution of intelligent life

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

New book: Flamingo Smile - Reflections on Natural History by Stephen J. Gould

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

How does the octopus help in the development of particularly flexible robots, and what is the connection between its movements and the movements of the ad

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

You can shlok quietly: scientists have determined that lobsters do not feel pain

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Bringing back the recording tape - reflections on extraterrestrial life and convergent evolution

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Excavated sea urchins. Credit Wise University

What can be learned from the sea urchin?

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Dr. Asher Idan - Nano technology - the revolution after the Internet

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The protein that generates the memory

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