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.
The skin compound that makes some more delicious to mosquitoes than others
BY THE OPTIMIST DAILY EDITORIAL TEAM Mosquitoes don’t pick targets randomly. They run a multi-stage sensory scan, and new research is beginning to explain what that scan detects and why it favors some people over others. “It’s not a misconception: mosquitoes are attracted to some people Read More...
10 best anti-aging foods for skin health and longevity
BY THE OPTIMIST DAILY EDITORIAL TEAM You know the skincare aisle. You’ve stood there long enough to know that the options are overwhelming and the prices are humbling: serums, creams, collagen-boosting masks, each one promising the same thing in a slightly different bottle. A good topical Read More...
Wet coffee waste becomes coal-grade fuel in under two minutes
BY THE OPTIMIST DAILY EDITORIAL TEAM Researchers at the Korea Institute of Geoscience and Mineral Resources developed a plasma-based process that converts wet coffee grounds into coal-grade biochar in under 90 seconds, with no pre-drying required. The system, described in Chemical Engineering Read More...
Solar fridges lift African farmers’ incomes by 50 percent
BY THE OPTIMIST DAILY EDITORIAL TEAM Up to 40 percent of food produced in Africa is lost between harvest and market. Not from drought or pest damage, but from the absence of one thing: refrigeration. The early numbers from solar-powered cold storage are hard to argue with. Provider Soko Fresh Read More...
Scientists find 64,000 sq miles of climate-resilient coral reef
BY THE OPTIMIST DAILY EDITORIAL TEAM For years, the conversation around coral reefs has been threaded with grief. Bleaching events, rising ocean temperatures, one crisis folding into the next. The reefs have become a kind of shorthand for what we stand to lose. A new global analysis is pushing Read More...
HPV vaccine brings cervical cancer deaths to near zero
BY THE OPTIMIST DAILY EDITORIAL TEAM Between 2020 and 2024, not one woman between the ages of 20 and 24 in England died from cervical cancer. It was the first five-year window on record where that age group saw zero deaths, and a new study published in The Lancet now explains why: the HPV Read More...
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...