Today’s Solutions: December 16, 2025

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These floating islands will fo

These floating islands will form a “parkipelago” in Copenhagen’s harbor

The Optimist Daily is always curious about the latest ideas in urban development and design. In 2021, we're expecting to see the completion of an exciting new project in the Danish capital in which a series of small artificial floating islands are being built and installed together within the Read More...

These portable speakers are po

These portable speakers are powered by old e-bike batteries

Gomi is a sustainable UK-based design studio that makes chargers and other devices out of the waste that would otherwise be thrown into landfills. Its newest project is a line of portable Bluetooth speakers. The speakers are constructed out of 100 percent recycled plastic waste and are powered Read More...

Scientists discover ‘giant l

Scientists discover ‘giant luminous shark’ off New Zealand coast

The ability for living organisms to produce visible light through a chemical reaction is known as bioluminescence, and it’s one of the most spectacular phenomenons found in nature. Bioluminescence has been observed in a wide range of marine life such as jellyfish and algae, but recently, marine Read More...

6 Kids successfully receive he

6 Kids successfully receive heart transplants thanks to brilliant machine

While heart transplant surgeries have saved numerous lives, far more lives could be saved if there were just as many organs available as people in need of heart transplants. Unfortunately, this is not the case. Most patients will spend time on a transplant waiting list, and many will never find a Read More...

Tips for eating healthy on a t

Tips for eating healthy on a tighter budget

Trendy new health food items are always popping up on the grocery store shelves, but in reality, eating healthy doesn’t mean buying into the latest health food craze. In fact, eating healthy on a budget is actually quite manageable if you’re smart about your shopping habits. Today we share five Read More...

Get paid for sending old, shab

Get paid for sending old, shabby clothes to this fashion brand

More consumers are moving away from fast fashion in favor of purchasing clothes from thrift shops and businesses that prioritize the well-being of the planet above their profit margins. But where you get your fashion fix is only part of the environmental problem when it comes to Read More...

Study: EVs are hundreds of tim

Study: EVs are hundreds of times less wasteful than gas models

Electric vehicles eliminate the harmful emissions of their gas and diesel-powered counterparts, but there is still environmental concern regarding the raw materials used in their production, specifically in batteries. While battery circularity is improving, a new study has found that even with Read More...

Scientists observe whale shark

Scientists observe whale sharks regrowing damaged fins for the first time

Whale sharks are remarkable creatures, known to be the largest fish on Earth. Such a grand title draws a lot of attention from tourists and marine life enthusiasts and this popularity means they are also at a higher risk of injury due to interactions with boats and people contending for a glimpse Read More...

7 ways to make the most out of

7 ways to make the most out of your almost empty condiment jars

BY THE OPTIMIST DAILY EDITORIAL TEAM We are all familiar with the dilemma of what to do with an almost empty condiment jar. What’s left at the bottom and along the sides of the jar isn’t enough to do anything substantial with, but the contents are just enough so that disposing of it would Read More...

Bee species last seen almost a

Bee species last seen almost a century ago found alive in Australia

A rare species of bee that was feared extinct has been spotted for the first time in almost a century. The elusive pollinator, endemic to Australia, was in the forests of north Queensland all along. The exciting discovery is the result of a widespread field search that was prompted after bee Read More...