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.
What watching soccer does to your body, according to science
BY THE OPTIMIST DAILY EDITORIAL TEAM Forty-eight teams. Sixty-four matches. A final played yesterday at MetLife Stadium in New Jersey. And a victory for Spain, the country taking all the glory home. The 2026 World Cup was the most expansive in the tournament’s history, and for US, Canadian, Read More...
Could this popular gym supplement strengthen cancer immunotherapy?
BY THE OPTIMIST DAILY EDITORIAL TEAM Cancer immunotherapy has transformed treatment for some patients. For the 60 to 80 percent who don’t respond, the problem often isn’t the killer T cells at the end of the immune chain. It’s the cells responsible for training them. A new UCLA study Read More...
A cheap, homegrown catnip lotion could replace DEET for millions of Ugandans
BY THE OPTIMIST DAILY EDITORIAL TEAM A lotion made from catnip oil matched DEET in field trials in Uganda, according to research presented at the Society for Experimental Biology conference in Florence last week. Catnip (Nepeta cataria), a common herb in the mint family, contains Read More...
Reducing microplastic exposure: the four habits we should all be prioritizing
BY THE OPTIMIST DAILY EDITORIAL TEAM In 2025, researchers publishing in Nature Medicine found microplastics in human brain tissue at concentrations considerably higher than in the liver or kidneys. The year before, scientists at Columbia and Rutgers counted hundreds of thousands of nanoplastic Read More...
Africa secures $900 million in new clean cooking commitments
BY THE OPTIMIST DAILY EDITORIAL TEAM Nearly one billion people across Africa cook over charcoal or firewood every day. $3.1 billion in commitments is what it’s going to take to change that, and the number keeps climbing. African countries secured $900 million in new financial commitments to Read More...
How Paris uses the Seine to cool thousands of buildings without AC
BY THE OPTIMIST DAILY EDITORIAL TEAM Every air conditioner does the same thing: pull heat from inside a building and dump it outside. On a hot day, millions of units doing that together push street temperatures up, which makes the next hot day worse. “Everything that requires energy releases Read More...
Greece launches nanosatellite system to catch wildfires early
BY THE OPTIMIST DAILY EDITORIAL TEAM Conventional satellites can’t detect a wildfire until it’s roughly the size of a cruise ship. Greece just launched four that catch them when they’re four meters (about 13 feet) across. The four OroraTech nanosatellites, each smaller than a carry-on Read More...
How environmental DNA turned river water into a global wildlife census
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s something almost absurd about how we’ve always measured wildlife. Two trained ecologists visit the same river, spend days cataloguing what they can see, and come back with completely different species lists. Neither is wrong. The data just can’t Read More...
The bill that brings green hydrogen into California’s clean energy grid
BY THE OPTIMIST DAILY EDITORIAL TEAM California just closed a gap that’s been undermining its clean energy numbers for years. Governor Newsom signed SB 1350 into law, qualifying green hydrogen electricity as a renewable source under the state’s Renewables Portfolio Standard. Power plants Read More...
How the soccer cleat evolved from hardware nails to engineered fabric
BY THE OPTIMIST DAILY EDITORIAL TEAM Nobody watches the World Cup to think about footwear. But the shoes on the pitch at the 2026 tournament are the end result of about 500 years of iteration, and the story is stranger than you’d expect. It involves a family feud, kangaroo leather, and at one Read More...