A computer can be trained to predict whether an image shows a man or a woman. Can you identify which parts of the face are most essential to the computer’s decision?
Lower fertility rates and aging populations have become worldwide concerns, but the G7 nations have stood out for their lower birth rates and graying populations.
Atheists and agnostics know more about religion than most other religious groups, while those with no particular religion are among the least knowledgeable.
The U.S. teen birth rate is at a record low, dropping below 18 births per 1,000 girls and women ages 15 to 19 in 2018. What’s behind the recent trends?