A group of chimpanzees listen to other chimpanzees heard at a distance in the West African forests of Cote d'Ivoire, studied as part of research by the Tai Chimpanzee Project, in this undated handout photograph.
WORLD / Science & Health
Nov 3, 2023
Scientists observe chimpanzees using human-like warfare tactic
The study, the researchers said, records for the first time the tactical use of elevated terrain by our species' closest living relatives.
Saudi women exercise in a mall in Riyadh on Oct. 15. Long popular in the United States, another car-centric country with an obesity problem, mall-walking is increasingly becoming a Saudi sport.
WORLD / Science & Health
Oct 31, 2023
Saudis tackle obesity while beating heat with mall-walking
Roughly one in five Saudi adults is obese, according to an in-depth study published by the World Bank last year.
An iceberg in the Weddell Sea, near the tip of the Antarctic Peninsula. Researchers say they have detected buried under the continent's ice sheet a vast ancient landscape.
WORLD / Science & Health
Oct 26, 2023
Ancient landscape formed by rivers seen deep under Antarctic ice
Researchers say they have detected buried under the continent's ice sheet a vast ancient landscape, replete with valleys and ridges.
The bird flu virus was most likely brought by birds returning from their migration to South America, where there has been a huge number of cases, British experts have said.
WORLD / Science & Health
Oct 25, 2023
Bird flu detected in Antarctica region for first time
Scientists had been fearing that the worst outbreak of Highly Pathogenic Avian Influenza would reach Antarctica, a key breeding ground for many birds.
They call it Q-Day: the day when a quantum computer, one more powerful than any yet built, could shatter the world of privacy and security as we know it.
WORLD / Science & Health
Oct 23, 2023
The race to save our secrets from the computers of the future
Quantum technology could compromise our encryption systems. Can America replace them before it’s too late?
The planet Mars as captured by the NASA Hubble Space Telescope in 2016
WORLD / Science & Health
Oct 19, 2023
Scientists surprised by source of largest quake detected on Mars
They first suspected a meteorite impact had caused the marsquake. But a search for an impact crater came up empty.
Troy Sutton, a virologist at Pennsylvania State University, on July 25, 2023. Sutton says that health officials referred to the public controversy over the lab leak theory in advising him to pursue different experiments.
WORLD / Science & Health
Oct 18, 2023
Lab leak fight casts chill over virology research
While some believe practices such as gain-of-function research could fend off the next pandemic, others worry that they are more likely to start one.

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Yoshiko Koide sits in a classroom at Nagoya College where she teaches a Japanese-language observation seminar.
How a dictionary came to spark outrage among the web’s otaku