A single dose of stem cells can help older people with frailty build up their endurance. Plus, how to successfully make a career pivot and what ‘adulthood’ really means.
"One minute on a Saturday she's playing with the dog, Sunday she's gone to work, Monday night she's in a coma."
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專家警告，AI企業在開發更強大工具時，往往優先考量技術而非人權，且在未支付費用的情況下使用數據。
Don't feel down if you didn't manage to guess it this time. There will be new sports Connections for you to stretch your brain with tomorrow, and we'll be back again to guide you with more helpful hints.
Nature, Published online: 24 February 2026; doi:10.1038/s41586-026-10293-1