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May 22, 2017

In 2065, the population of the State of Israel is expected to reach 20 million inhabitants. Photo: pixabay.com.

Israel's population forecast until 2065: 20 million people

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The view seen by Opportunity near the entrance to the "Valley of Persistence" on the rim of Endeavor Crater. The vehicle will now begin to examine whether the channel was formed by flowing water billions of years ago, or by a more "dry" factor such as a drift of wet rock and steam. Source: NASA.

The Opportunity rover has reached a channel that may have been formed by flowing water

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Photomicrograph of senescent cells in a mouse - cells that "retire" and stop dividing, but do not die - are always present and even play some important roles in the body, for example in wound healing. But in aging organs, these cells are not eliminated at the proper rate, and can accumulate and damage Source: Y tambe, Wikimedia.

Get rid of old hair

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The circles in the sand made by the Torquigener fish. Photo: Yoji Okata, from the article Role of Huge Geometric Circular Structures in the Reproduction of a Marine Pufferfish, 2013.

Circles in the sand - how a small fish creates great art

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