1,413 results
- Anthropology
Ancient primates’ unchipped teeth hint that they ate mostly fruit
Of more than 400 teeth collected, just 21 were chipped, suggesting that early primate diets were soft on their choppers.
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What a parrot knows, and what a chatbot doesn’t
Editor in chief Nancy Shute discusses AI chatbots' vulnerabilities and the intelligence of parrots.
- Neuroscience
What a look at more than 3,000 kinds of cells in the human brain tells us
A wide-reaching look at the cells that build the brain, detailed in 21 studies, showcases the brain’s cellular diversity and clues about how it works.
- Animals
When and why did masturbation evolve in primates? A new study provides clues
In a first-of-its-kind comparative study, researchers show that primates were masturbating 40 million years ago and that the behavior may help males keep their sperm fresh.
- Animals
Parrots can move along thin branches using ‘beakiation’
The movement involves swinging along the underside of branches with their beaks and feet, similar to how primates swing between trees.
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- Anthropology
Surprisingly long-lived wild female chimps go through menopause
Chimpanzees in Uganda are the first known example of wild, nonhuman primates experiencing the hormonal changes, raising questions about how menopause evolved.
- Microbes
Evolutionary virologist Daniel Blanco-Melo seeks out ancient pathogens
Daniel Blanco-Melo has reconstructed two viral strains brought to the Americas with European colonizers in the 16th century.
- Animals
Male mammals aren’t always bigger than females
In a study of over 400 mammal species, less than half have males that are, on average, heavier than females, undermining a long-standing assumption.
- Animals
By fluttering its wings, this bird uses body language to tell its mate ‘after you’
New observations suggest that Japanese tits gesture to communicate complex messages — a rare ability in the animal kingdom and a first seen in birds.
- Ecosystems
A new road map shows how to prevent pandemics
Past viral spillover events underscore the importance of protecting wildlife habitats.
- Animals
Wild male palm cockatoos rock out with custom drumsticks
Along with flashy dances and distinctive drumbeats, these birds craft their own signature drumsticks to win over mates.
