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adaptation

The famous prehistoric rock paintings of Tsili N'Air, Algeria. Illustration: depositphotos.com

The evolutionary changes following the extinction of the large animals

The need to hunt small animals caused prehistoric man to improve his mental abilities in order to perfect his hunting tools
A wombat survives a forest fire in Australia. Illustration: depositphotos.com

Extreme climatic events are no longer rare. The result: a real threat to the animal world

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Climate change and its devastating impact are well known. However, in the last two years we are increasingly witnessing the threatening consequences of extreme climatic events, as was the case last summer in England when a temperature of 40 degrees was measured for the first time. The situation will only get worse and accelerate the extinction of many living creatures, says Prof. Uri Roll, one of the leaders of the research
A mother goose and her goslings cross a road. Illustration: depositphotos.com

How are the birds coping with the climate crisis?

Researchers have found changes in the body structure of birds, which are probably due to adaptation to global warming
Mangrove forests. A means of preventing seawater flooding. Photo: shutterstock

Nature against climatic disasters

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In the figure: networks with a homogeneous structure (A) differ from heterogeneous networks (B) in their ability to adapt to changes through improvisation. In networks of the first type (homogeneous), each vertex affects a limited number of other vertices. As a result, chaotic dynamics are created and the search process (exploration) does not converge to a stable state. In the heterogeneous networks, on the other hand, some of the vertices (marked as large circles) affect large parts of the network and create dynamics leading to a steady state. Courtesy of the Technion.

The Improvising Cell: Researchers present a new model of biological adaptation to unexpected challenges

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The big jump

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Evidence for evolution: new anatomical structures in lizards in 36 years

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Diverse natural selection encourages the split into separate species

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