#Biology

Extended spider cognition – SpringerLink

To tease apart the central from the extended cognition, we apply the mutual manipulability criterion, testing the existence of reciprocal causal links between the putative elements of the system. We conclude that the web threads and configurations are integral parts

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Vicious microbial warfare helps bacteria evolve cooperation – New Scientist

When Ratcliff and his team mixed two strains of Vibrio cholerae bacteria with different T6SS toxins on petri dishes, one strain or the other always killed off its opponent at any given place. The two strains gradually separated into patches

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First human-pig chimeras created, raising hopes for transplantable organs – STAT

Pig embryos that had been injected with human stem cells when they were only a few days old began to grow organs containing human cells, scientists reported on Thursday, an advance that promises — or threatens — to bring closer the

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Britain Agrees to License “Three-Parent” Baby Approach – Scientific American

The technique involves intervening in the fertilization process to remove mitochondria, which act as tiny energy-generating batteries inside cells, and which, if faulty, can cause fatal heart problems, liver failure, brain disorders, blindness and muscular dystrophy. “Mitochondrial donation offers a

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