Science
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.
Researchers build a hemp plastic that rivals PET
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...
Two drug molecules achieve myelin repair in MS disease models
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...
Earth Prize 2026 part I: teenage teams tackling big global problems
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...
Earth Prize 2026 part II: seaweed fabric, hornbill nests, and a healing bandage
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...
The research behind why your favorite songs make you push your workout harder
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...
The 3 needs that science says matter more than success and achievement
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s a particular kind of exhaustion that comes from doing everything right. The career is advancing, the goals are being ticked off, and the productivity is real. And yet something feels off, or hollow, or impossible to name. Modern culture tends to Read More...
Minnesota just banned the apps that make deepfake nudes
BY THE OPTIMIST DAILY EDITORIAL TEAM Two years ago, Molly Kelley found out that a close family friend had used a nudification website to make nonconsensual deepfake images of her and dozens of other women. About 80 women in Minnesota were affected by the same person. When she tried to figure out Read More...
New research explains why your dreams feel so strange
BY THE OPTIMIST DAILY EDITORIAL TEAM There is something that happens in a dream that never happens anywhere else. A familiar place, a workplace or a school corridor, becomes somehow wrong, layered with elements that don’t belong, approached from a direction that doesn’t exist. That sense of Read More...
Australia is on track to eliminate a form of cancer entirely
BY THE OPTIMIST DAILY EDITORIAL TEAM For the first time in history, a country is on the verge of eliminating a form of cancer entirely. Australia is on track to reach that milestone by 2035, and possibly sooner, through a combination of widespread HPV vaccination and a screening system that has Read More...
Brain health in old age starts taking shape far earlier than most people realize
BY THE OPTIMIST DAILY EDITORIAL TEAM In long-term studies where people had their cognitive ability tracked from youth into old age, one finding keeps standing out. “One of the most important factors explaining someone’s cognitive ability at age 70 is their cognitive ability when they were Read More...