Women Still Typically Outlive Men, But That Gender Gap Is Slowly Closing : ScienceAlert

Women tend to live longer than men, but a global review of mortality data from 1990 to 2010 suggests the gender gap in life expectancy is narrowing. The study is based on a statistical analysis of United Nations data, which grouped 194 countries into ‘clusters’ of similarity based on measurable factors that influence mortality. Compared … Read more

Life expectancy gap between men and women is closing worldwide

Both men and women have benefited from improvements in healthcare over the past few decades ZUMA Press, Inc./Alamy Women have historically outlived men, but changing lifestyles may be helping men gradually catch up. Globally, the average human lifespan has increased over the past century, a trend that is expected to continue as countries become richer. … Read more

Evolution: Why are there no flightless bats? We’re closing in on an answer

The vampire bat isn’t just an expert flyer – it is also an adept walker Joel Sartore/Photo Ark/naturepl.com IN THE undergrowth of a New Zealand forest, something stirs. A small, fuzzy animal is scurrying over tree roots and through leaf litter, foraging for insects and fruit. It scuttles with an odd gait, as if on … Read more