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Researchers are turning outdated phones into eco-friendly mini data centres
BY THE OPTIMIST DAILY EDITORIAL TEAM That outdated phone sitting in your junk drawer could be doing a lot more than gathering dust. According to a new European study, it might just be the next tiny tech hero helping researchers monitor marine life or improve your local bus stop. The concept Read More...
Brewing better health: Harvard study explains what coffee has to do with aging well
BY THE OPTIMIST DAILY EDITORIAL TEAM Your daily cup of coffee might be doing more than waking you up; it could be helping you age more healthfully. According to a sweeping new study from Harvard University, moderate coffee consumption during midlife is linked to better mental and physical health Read More...
New rules allow thousands more Australians to donate plasma, regardless of sexuality
BY THE OPTIMIST DAILY EDITORIAL TEAM In a historic shift for both public health and LGBTQIA+ rights, Australia is lifting long-standing restrictions that effectively barred many gay and bisexual men from donating blood and plasma. Beginning in July, the country will become the first in the world Read More...
How Finland's giant sand battery is storing clean energy (and cutting emissions by 70 percent)
BY THE OPTIMIST DAILY EDITORIAL TEAM In a small Finnish town with a big climate goal, an unassuming tower of sand is quietly storing solar and wind energy all while making a powerful statement about clean tech innovation. Pornainen, in southern Finland, is now home to the world’s largest Read More...
How to be an ally part II: effective allyship
BY THE OPTIMIST DAILY EDITORIAL TEAM Continuing the conversation: What effective allyship really looks like Today we are continuing to revisit our 2020 series on allyship. If you caught Part I, you’ll remember we explored the rise of performative allyship: how well-meaning gestures can fall Read More...
Decriminalizing rough sleeping: A new chapter in compassion and justice
BY THE OPTIMIST DAILY EDITORIAL TEAM In a long-awaited step towards justice for the most vulnerable, the UK government has announced plans to scrap the Vagrancy Act of 1824. The law, which criminalises rough sleeping in England and Wales, will be replaced next year with more compassionate, Read More...
How to be an ally part I: performative allyship
BY THE OPTIMIST DAILY EDITORIAL TEAM Why we’re revisiting our series on allyship this Pride Month At The Optimist Daily, we believe that allyship is a lifelong practice; one that demands reflection, humility, and, most of all, action. This June, we are celebrating Pride Month but also Read More...
Podcast Transcript June 20, 2025: Burial reefs and dissolving plastics: hopeful headlines for our oceans
Episode Description: This week on The Optimist Daily’s Weekly Roundup, Arielle and Karissa dive into ocean-inspired solutions. From sea moss superfoods and memorial reefs that turn human ashes into coral habitats to breakthrough plastics that dissolve in seawater and soil without leaving a Read More...
Turning ashes into action: how memorial reefs could restore Britain’s seabeds
BY THE OPTIMIST DAILY EDITORIAL TEAM Funerals are surprisingly polluting. A single burial emits around 833 kilograms of CO2, while a typical cremation releases about 400. Add in the environmental toll of concrete, steel, and embalming chemicals, and the traditional funeral industry starts to Read More...
The 9 best beverages to boost hydration this summer, according to dietitians
BY THE OPTIMIST DAILY EDITORIAL TEAM We all know we should drink more water. But what if you're over it? Hydration is essential for everything from brain function to joint health, but that doesn’t mean your only option is to endlessly sip plain old H2O. According to dietitians, there are Read More...