Long menopause allows killer whales to care for adult sons

Scientists have found the answer to why female killer whales have the longest menopause of any non-human species - to care for their adult sons. Led by the Universities of Exeter and York and published in the journal Science ...

Language driven by culture, not biology

(PhysOrg.com) -- Language in humans has evolved culturally rather than genetically, according to a study by UCL (University College London) and US researchers. By modelling the ways in which genes for language might have ...

How a gut microbe causes flies to live fast and die young

RIKEN researchers have uncovered how one species of gut bacteria causes fruit flies to perish early. This discovery illuminates the complex interactions between the microbes in our guts and our health.

Your cells look young for their age, compared to a chimp's

Many humans live to see their 70s and 80s, some even reach 100 years old. But life is much shorter for our closest animal relatives. Chimpanzees, for example, rarely make it past age 50, despite sharing almost 99% of our ...

Scientists devise 'lifespan clock'

An Australian research team say they have come up with a "lifespan clock" which provides accurate maximum age estimates for vertebrates, a key variable in the study of both living and extinct animals.

As life expectancy grows, men still lagging

People worldwide are living longer, healthier lives. A new study of mortality patterns in humans, monkeys and apes suggests that the last few generations of humans have enjoyed the biggest life expectancy boost in primate ...

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