calcium carbonate

A tiny life form that penetrated the sedimentary rocks and fed on the minerals therein created thin, parallel tubes between two channels. Marble sample from Namibia | Source: Cees Passchier

Thin tubes to the distant past

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Unusual structures found in marble and limestone rocks in Namibia were probably created millions of years ago by tiny animals that fed on the minerals in the rocks.
Evaporation of the Dead Sea. Illustration: depositphotos.com

Rains, steam, and everything in between

A comparison between the level of evaporation in the current Dead Sea compared to the ancient period, may help in understanding the climate that existed in our region, in the past
Almog Beach, Eilat. Illustration: depositphotos.com

Between sky and water

How growth of the mineral calcium carbonate affects the carbon dioxide cycle in the waters of the Bay of Eilat, and thus the ecosystem and climate warming
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