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50 years ago, NASA relaxed quarantine rules for returning moon missions
Fifty years after NASA declared that moon missions returning to Earth weren’t a contamination risk, protocols for planetary missions are under review.
- Health & Medicine
FDA approved a new Alzheimer’s drug despite controversy over whether it works
A new Alzheimer's treatment slows progression of the disease, the drug’s developers say. But some researchers question its effectiveness.
- Health & Medicine
Food that boosts gut microbes could be a new way to help malnourished kids
Malnourished children in Bangladesh fed a food aimed at restoring gut health grew more than those who got a traditional high-calorie supplement.
