Reproductive factors and dementia risk

Pregnancy, long reproductive span, and older age at menopause are associated with a lower risk of dementia in women, according to a new study. Inversely, hysterectomy, younger age of first birth, and younger or older than average age at first period we…

How to track a shark

An international team of researchers has compiled a massive dataset that overlays years’ worth of information on the position, migration and interaction of sharks and game fish. This research has immediate relevance for anglers, who have been reporting…