This week in science: A new black hole star, exercises for dementia, and winter shrews
محرر واقع مصر
إن بي آر - علوم
21 أغسطس, 2026
NPR's science podcast Short Wave talks about a new type of black hole star, the types of exercise linked to lowered dementia risk, and the wintry adaptations of the long-clawed shrew.
