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.
A study of 100,000 people found we cooperate more than we think
BY THE OPTIMIST DAILY EDITORIAL TEAM In a standardized behavioral experiment run with more than 100,000 people across 125 countries, 69 percent of participants chose to cooperate with an anonymous stranger on behalf of a shared goal, even when doing so meant taking a personal financial loss. Read More...
This ultrasonic espresso method uses 75 percent less energy and tastes just as good
BY THE OPTIMIST DAILY EDITORIAL TEAM So many of us participate in the same morning coffee ritual: the machine warming up, the pressure building, the crema settling into the cup. It’s such a fixed sequence that it’s hard to imagine any part of it changing. But against the odds, researchers at Read More...
California’s first eight-hour grid battery just came online
BY THE OPTIMIST DAILY EDITORIAL TEAM The California grid has a timing problem. Solar runs from mid-morning through early evening. Demand peaks later. Batteries have bridged part of that gap for years, but only about four hours’ worth. On June 1, a project in Kern County doubled that Read More...
11,000 jobs, $1.4 billion in savings: what a decade of green banking built in Philadelphia
BY THE OPTIMIST DAILY EDITORIAL TEAM An impressive $14.7 million from the city. $1.3 billion in economic investment returned. $1.4 billion in energy savings. 11,000 jobs created. Those are the results of the Philadelphia Energy Campaign’s first decade, according to a 10-year economic impact Read More...
Research reveals honeybees use the same face-reading strategy as humans
BY THE OPTIMIST DAILY EDITORIAL TEAM The human brain contains approximately 86 billion neurons. A honeybee brain contains roughly one million, packed into about one cubic millimeter. That brain, it turns out, can learn to tell human faces apart. The research goes back more than two decades. Read More...
How the act of learning to read rewires the brain and changes the way you hear
BY THE OPTIMIST DAILY EDITORIAL TEAM Learning to read does something to the brain beyond teaching it to decode text. A new study in Cortex found that adults with formal reading education recruit a distinct region on the right side of the brain when processing unfamiliar spoken sounds. Adults who Read More...
Monterey Park becomes first US city to permanently ban data centers
BY THE OPTIMIST DAILY EDITORIAL TEAM Monterey Park voted 86 percent to 14 percent last Tuesday to permanently ban data centers from the city. It is the first US city to do it through a ballot initiative. Campaign organizer Steven Kung called it “a landslide victory.” On the reasons: Read More...
How pigeons find their way home: the answer is a magnetic compass in the liver
BY THE OPTIMIST DAILY EDITORIAL TEAM For decades, researchers looked for the seat of magnetoreception in all the obvious places: the eyes, the inner ear, the beak. A study just published in Science points somewhere none of them expected. The organ doing the magnetic navigation work in homing Read More...
Breast cancer genomic test could spare millions from chemotherapy
BY THE OPTIMIST DAILY EDITORIAL TEAM For decades, high clinical risk and chemotherapy arrived together as a package deal in early breast cancer. A trial presented at the American Society of Clinical Oncology meeting in Chicago on May 30, 2026, is pulling them apart. The OPTIMA trial enrolled Read More...
Why hamsters run on wheels, according to 30 years of research
BY THE OPTIMIST DAILY EDITORIAL TEAM In 2014, researchers placed exercise wheels in two natural outdoor settings and left them there. Wild mice found the wheels and ran on them, sometimes for up to 18 minutes at a stretch, with no training and no food reward. The running continued long after all Read More...