From mathematics and AI to medicine and psychology, The Optimist Daily features the latest news on discoveries, technological advances, and breakthroughs in the world of science. Our Science section is here to engage and enlighten you.
BY THE OPTIMIST DAILY EDITORIAL TEAM Street trees reduce urban heat. That much is established. What’s less settled is whether they’re enough on their own, or whether the way a city plants matters as much as how much it plants. New field research from Melbourne, Munich, and Hong Kong, led Read More...
BY THE OPTIMIST DAILY EDITORIAL TEAM In a 500-patient trial at American Society of Clinical Oncology's (ASCO) annual meeting in Chicago, a daily pill called daraxonrasib doubled average survival time in patients with advanced pancreatic cancer. Those on the drug lived for an average of 13.2 Read More...
BY THE OPTIMIST DAILY EDITORIAL TEAM Levels of some of the most toxic PFAS compounds have fallen sharply in Canadian seabird eggs, and the reason isn’t complicated. Regulation worked. A peer-reviewed study tracked PFAS concentrations in the eggs of northern gannets on Bonaventure Island, in Read More...
BY THE OPTIMIST DAILY EDITORIAL TEAM A clinical trial published May 28 in the New England Journal of Medicine reports that a new drug called bepirovirsen achieved a functional cure in approximately one in five patients with chronic hepatitis B. That number matters. The current standard of Read More...
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s a short list of animals who, when placed in front of a mirror, eventually figure out they’re looking at themselves. Chimpanzees. Bottlenose dolphins. Asian elephants. A magpie or two. A small reef fish called the cleaner wrasse, which upended some Read More...
BY THE OPTIMIST DAILY EDITORIAL TEAM PET is in water bottles, food packaging, and flexible electronics. It’s made from fossil fuels, breaks down into microplastics, and carries chemicals linked to inflammation and cell damage. Researchers have been trying to replace it for years. Most Read More...
BY THE OPTIMIST DAILY EDITORIAL TEAM Every remyelination drug candidate tested in multiple sclerosis research has failed. A doctoral thesis from the University of Helsinki, defended earlier this month, reports two that didn’t. Tapani Koppinen, working in Associate Professor Merja Read More...
BY THE OPTIMIST DAILY EDITORIAL TEAM Every year, The Earth Prize asks teenagers across the world the same question: what environmental problem would you solve, and how? Every year, the answers come from young people who live closest to the problem. After five years and more than 21,000 students Read More...
BY THE OPTIMIST DAILY EDITORIAL TEAM This is part two of our Earth Prize 2026 coverage. Part one covered four regional winners from Ireland, Kenya, Gaza, and India, including Tala and Farah Mousa, whose Build Hope Palestine project we first wrote about earlier this month. Here are the remaining Read More...
BY THE OPTIMIST DAILY EDITORIAL TEAM Most people assume music makes workouts feel better because it’s distracting or energizing. Both are true. But a new study found something more specific: music doesn’t raise your physical ceiling. It just delays when your brain calls it. The study: same Read More...