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Abalone Nacre

A closemouthed feel at nacre , or mother - of - pearl , in an abalone shield , a type of nautical mollusk . [ take More : female parent - of - Pearl Inspires New Ceramics ]

Stacked Nacre

The stacked arrangement of nacre makes it incredibly unassailable , because fissure can not trip in a straight line through the cloth .

Abalone Nacre Close

Nacre is made of Ca carbonate mortared together with organic protein .

Real and Synthetic Nacre

A comparison of real nacre ( top ) and a ceramic made to mime natural mother - of - pearl .

Crack Path

This low - magnification image shows the devious itinerary a crack must take through the synthetic female parent - of - ivory cloth .

Magnified Crack

A go must zig - zag its path through the stacked platelets in the new ceramic .

abalone shell magnified

nacre stacks

nacre stacks close up

real and synthetic nacre

circuitous crack through ceramic

magnified crack in ceramic

A cross-section of the new copper alloy, with the orange dots representing copper atoms, the yellow tantalum atoms, and the blue lithium atoms.

The Pantheon in Rome

A Peacock mantis shrimp with bright green clubs.

A scaly-foot snail on a black background.

a view of Earth from space

A picture of a pink, square-shaped crystal glowing with a neon green light

JustCBD gummies

Red meat.

Tuna steaks

A plate of fries.

A banana tree.

Coffee cups

An image comparing the relative sizes of our solar system�s known dwarf planets, including the newly discovered 2017 OF201

an illustration showing a large disk of material around a star

A small phallic stalagmite is encircled by a 500-year-old bracelet carved from shell with Maya-like imagery

a person holds a GLP-1 injector

A man with light skin and dark hair and beard leans back in a wooden boat, rowing with oars into the sea

an MRI scan of a brain