Science & Society
- 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.
- Science & Society
Anténor Firmin challenged anthropology’s racist roots 150 years ago
In The Equality of the Human Races, Haitian scholar Anténor Firmin showed that science did not support division among the races.
- Science & Society
Deliberate ignorance is useful in certain circumstances, researchers say
The former East German secret police, the Stasi, spied on people for years. But when given access to the Stasi files, most people didn’t want to read them, researchers found.
- Math
‘Once Upon a Prime’ finds the hidden math in literature
In her new book, mathematician Sarah Hart explains how math shapes all sorts of literary works, from nursery rhymes to Moby-Dick.
- Health & Medicine
San Francisco airport will monitor plane waste for COVID-19 variants
The airport, working with the CDC and a biotech company, will be the first in the United States to regularly test plane sewage.
- Math
How Pythagoras turned math into a tool for understanding reality
Reality was made of numbers, Pythagoras said, and he employed numbers to explain the “harmony of the heavens.”
- Health & Medicine
WHO declares an end to the global COVID-19 public health emergency
Global COVID-19 deaths are down and immunity is up. But with the virus here to stay, it’s time to shift to more long-term health measures.
- Genetics
What was Rosalind Franklin’s true role in the discovery of DNA’s double helix?
Two researchers say that Rosalind Franklin knowingly collaborated with James Watson and Francis Crick to discover the molecular structure of DNA.
- Humans
‘Period’ wants to change how you think about menstruation
Kate Clancy offers fascinating science and history about the uterus and menstruation in her book, Period: The Real Story of Menstruation.
- Science & Society
The Smithsonian’s ‘Lights Out’ inspires visitors to save the fading night sky
The exhibition examines how light pollution harms astronomy, ecosystems and human cultures. But it also offers hope.
- Math
Dense crowds of pedestrians shift into surprisingly orderly lines. Math explains why
New research into collective behavior adds to decades of study on the wisdom of crowds.
- Climate
How an Indigenous community in Panama is escaping rising seas
The Indigenous Guna peoples' relocation from Panama could offer lessons for other communities threatened by climate change.
