For certain fishes, evolution is easy. After tracking the evolution of teeth in cichlid fishes from Africa, a team of researchers has found that these fishes have developed the ability to evolve ...
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Low-status cichlid fish show higher brain oxidative stress, which is linked to poorer mental health in humansDijkstra et al, Oxidative stress in the brain is regulated by social status in a highly social cichlid fish, Frontiers in Behavioral Neuroscience (2024). DOI: 10.3389/fnbeh.2024.1477984 ...
It’s not what you do, it’s how readily you do it. Rapid evolutionary change might have more to do with how easily a key innovation can be gained or lost rather than with the innovation itself, ...
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