Nature

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Artificial cells created inside the lab have taken another major step forward, with scientists developing cells that are able to produce their own chemical energy and synthesise parts of their own construction. That makes these artificial cells a lot more like real, biological cells – cells that can construct and organise their own building blocks naturally.
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Researchers have discovered that sun bears can precisely copy each other’s facial expressions in social situations. It’s a bigger deal than you might think, especially for scientists. When humans are in social situations, we often adjust our facial expressions in response to someone else. It’s called facial mimicry, and past a point of sufficient complexity
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Damage-resistant genes. Healing powers. Very low risk of cancer. No, scientists aren’t describing Wolverine or Superman – those are the powers of the great white shark. The star of Steven Spielberg’s blockbuster, whose scientific name is Carcharodon carcharias, has a reputation as a meat-eating monster of the sea. But in fact, great white sharks may