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.

Clean energy surge leads to historic coal decline in China and India

BY THE OPTIMIST DAILY EDITORIAL TEAM For the first time in over five decades, coal-fired electricity generation has dropped in both China and India, the world’s two largest consumers of coal. This historic shift, outlined in new research from the Centre for Research on Energy and Clean Air Read More...

At-home STD testing and new treatments are changing the game for sexual health care

BY THE OPTIMIST DAILY EDITORIAL TEAM Sexual health is getting a long-overdue upgrade. Thanks to recent approvals from the U.S. Food and Drug Administration, at-home STD testing is more accessible than ever, and it’s arriving alongside the first new gonorrhea treatments in decades. For public Read More...

UK to ban AI ‘nudification’ apps in crackdown on deepfakes, digital misogyny, and abuse

BY THE OPTIMIST DAILY EDITORIAL TEAM The UK is moving to outlaw AI-powered “nudification” apps in a sweeping effort to tackle a new wave of online abuse, particularly targeted at women and girls. Announced just before the end of 2025, the upcoming legislation will make it a criminal offense Read More...

Alzheimer’s fully reversed in mice using NAD+ compound, giving hope for future treatment

BY THE OPTIMIST DAILY EDITORIAL TEAM In a discovery that’s generating cautious optimism in the scientific community, researchers in the United States have successfully reversed advanced Alzheimer’s disease in mice. Using a powerful compound called P7C3-A20, the scientists not only prevented Read More...

Investing in planetary health could unlock $20 trillion a year by 2070, says UN report

BY THE OPTIMIST DAILY EDITORIAL TEAM A sweeping new report from the United Nations Environment Programme (UNEP) lays out an ambitious, but achievable, economic transformation: investing in the health of the planet could generate at least $20 trillion in annual benefits by 2070. Released during Read More...

Canada sets new methane rules to curb oil and gas emissions by 75 percent by 2035

BY THE OPTIMIST DAILY EDITORIAL TEAM In a long-anticipated move, Canada has introduced tougher methane regulations for its oil and gas sector, an industry that accounts for about half of the country’s methane pollution. The goal is to cut methane emissions by 75 percent below 2014 levels by Read More...

Economic growth without emissions? More countries are proving it’s possible

BY THE OPTIMIST DAILY EDITORIAL TEAM For decades, climate action skeptics have waved a tired argument: you can’t grow the economy and cut carbon emissions at the same time. But a new report suggests that narrative may be heading for retirement. In fact, a global shift is well underway, and Read More...

A microscopic upgrade with massive potential: scientists block malaria with a single gene edit

BY THE OPTIMIST DAILY EDITORIAL TEAM To wrap up our Best of 2025 series, we’re sharing something a little more personal… our Staff Picks! These are the articles that sparked extra chats, late-night musings, and genuine delight among our team. They made us think, smile, and (of course) feel a Read More...