When a fertilized mammalian egg divides, it yields two seemingly identical daughter cells. Some of their descendants generate the diverse organ systems of the embryo, while others form extra-embryonic tissues that sustain the developmental process. In 2025, researchers used a cutting-edge technique known as single-cell proteomics (SCP) to show that even in the two first-generation
Researchers found that land use is a key factor in the decomposition of underwear, more so than other soil characteristics.Credit: Gabriela Brändle/Agroscope The recognition and prestige of a Nobel prize for groundbreaking work comes with a gold medal and the equivalent of about US$1 million. The parody version, an Ig Nobel prize, devised to celebrate
RICHMOND, Va. — Wisconsin’s candidates for governor want to limit them, while Pennsylvania’s say they support a ban. A Michigan congressional candidate called them “un-American.” A Florida Senate candidate is selling merch opposing them. Across the country and up and down ballots, candidates from both parties are increasingly on the attack over Flock cameras, the
The use of large language models (LLMs) is soaring among students worldwide thanks to the tools’ growing ability to solve problems and generate text and code. In a 2026 survey of 1,054 UK undergraduate students by the Higher Education Policy Institute in Oxford, UK, roughly 94% said that they use generative artificial-intelligence tools to help
Bwindi Impenetrable National Park in southwestern Uganda is famous for the endangered mountain gorillas that inhabit its lush, misty highlands. It’s also home to around 120 other species of mammal, 350 types of bird and hundreds of plant varieties — and, on its borders, people and livestock. That’s a recipe for what epidemiologists call spillover,
Officials struggled for years to curb high-speed crashes along a residential corridor cutting through Albuquerque, New Mexico, but simply punishing the lead-footed drivers didn’t seem to work. What ultimately did was rewarding the law-abiding ones with fewer red lights. The solution, which the city credits for a dramatic drop in crashes and injuries along one