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Science

Space propulsion, brain research, regenerative medicine and new materials: this section reports on science breakthroughs with a strong focus on work coming out of Japan and China, explained for curious readers rather than specialists.

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Stories include a Japanese treatment that aims to regrow lost teeth, an imaging method that challenges assumptions about ADHD, a NASA nuclear engine that could shorten the trip to Mars, and Chinese synthetic diamonds unsettling a global industry. Lighter reads cover the mental boost of a short walk and an experiment that filmed light in motion.

Health-minded readers should begin with the medical research, which explains what trials have shown and what still needs confirmation. Space enthusiasts can go straight to propulsion and asteroid defense. Keep in mind that several findings come from small studies, so weigh the claims before sharing them.

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