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This stretchy neural implant grows with an axolotl's brain
Researchers have developed a soft electronic implant that can measure brain activity of amphibian embryos as they develop. Understanding the neural activity of developing brains is a key aim for neuroscientists, but conventional, rigid probes can damage growing brains. To overcome this, a team have developed a flexible mesh that stretches with the brain and tested it by monitoring single neuron activity during development of frog and axolotl embryos. More testing and ethical considerations will be required, but the researchers hope that eventually such implants could help with neurological conditions that affect humans.
Research article: Sheng et al.
The exoplanet slowly evaporating into space, and cockatoos that have figured out an innovative way to stay hydrated.
Research Highlight: Solved: the mystery of the evaporating planet
Research Highlight: Clever cockatoos learn an easy way to quench their thirst
By combining AI tools with mechanical engineering techniques, a researcher has developed a new way to speed up the restoration of damaged paintings. The technique creates a removable mask that can be overlaid onto a painting to cover any damage apparent in the artwork. It was successfully tested on an oil painting, fixing a large number of damaged areas in only a few hours. This could offer a significant speed-boost to painting restoration, which can often take months, or even years.
Research article: Kachkine
Video: Meet the engineer who invented an AI-powered way to restore art
A new ranking system could make it easier to spot universities that are chasing publishing metrics at the expense of rigorous science, and evidence that cutting off rhinos’ horns deters poachers.
Nature: ‘Integrity index’ flags universities with high retraction rates
AP: Cutting off rhinos’ horns is a contentious last resort to stop poaching. A new study found it works
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