Recent science news includes potential cognitive risks associated with omega-3 supplements, a significant rare-earth discovery by China, and other key findings.

We have put together stories from our coverage on science from the past two weeks to help you stay informed. If you would like to see more of our reporting, please consider subscribing. 1. Could omega-3 supplements hurt the brain? Chinese military study flags risks Oral fish oil intake may not improve and could even speed up cognitive decline in Alzheimer’s disease, a research team from China’s Army Medical University has found. 2. China’s northeast, poor in rare earths, scores big...