Oceans
From tackling marine plastic pollution to coral reef restoration, learn about humanity’s latest efforts to protect ocean habitats and marine wildlife.
For the first time, scientists have recorded squids' camouflage abilities
Octopus and cuttlefish are known for their impressive ability to camouflage into their surroundings, changing the color of their skin to escape their predators and catch unsuspecting prey. Squids are cephalopods like octopus and cuttlefish, so one could assume they can camouflage too. However, Read More...
Love and Action: Happy Earth Day!
“There are no passengers on Spaceship Earth. We are all crew.” — Marshall McLuhan, philosopher As far as we know, Earth is the best place in the Universe. The search for life beyond our planet and even our solar system is ongoing, and one day we could very well make the Read More...
This startup proves that electric cargo ships actually make sense
Designing solutions targeting the shipping industry’s humongous carbon footprint is key to ensuring a sustainable future for sea transport. While we’ve seen such solutions in ships that replaced fossil fuels with hydrogen, most experts argue that it’s not feasible to design electric cargo Read More...
Scottish forests are the biggest they’ve been in 900 years
Scotland is a proud and iconic country, with a unique culture and landscape. Travelers from all over the world come to visit Scotland’s highlands, lowlands, and lochs. Another invaluable part of the Scottish wilderness, largely and unfortunately overlooked by visitors, is its Read More...
This student startup uses cremation ashes to rebuild oyster reefs
It's the surprising and beautiful nature of inspiration that brings us answers to our problems from the most unexpected places. Sometimes, an answer can come from another problem, or combining different concepts to create solutions to multiple issues. At the moment, we need to pull carbon out of Read More...
The EU proposes plan to ensure fast fashion goes out of style
At the end of last month, the European Union announced a plan to counter the pollution generated by mass-market fast fashion with the overarching goal of ending the throwaway culture that compels consumers to use cheap clothing that becomes deformed or ruined after only a few wears. The EU Read More...
The Ocean Cleanup’s sunglasses fund even more cleanup missions
We at The Optimist Daily have been following The Ocean Cleanup project since its first plastic-capturing voyage back in 2019. From that point forward, we’ve enjoyed reporting its progress, from removing plastic debris from rivers to eventually becoming the largest trash-collecting system of our Read More...
New temperature-controlling material inspired by squid skin
Squids are intelligent, somewhat mystifying creatures whose brains have a complexity level similar to dogs and the astounding adaptation of camouflage. Their bodies are covered in special pigment-filled cells called chromatophores that expand and contract in light, enabling them to change color and Read More...
Deep sea snail venom lessens pain as well as morphine
Because Asprella cone snails reside at such great depths, scientists have not thoroughly studied them. Now we know, though, that these creatures have an impressive hunting strategery where they use their venom to stun and disorient fish. Then they feast upon the unfortunate fish, like a gory scene Read More...
How a group of islanders is using AI to save coral reefs
Coral reefs are some of the planet’s most biodiverse ecosystems, providing not only a key habitat for many species of marine life but also a crucial source of income for many coastal communities worldwide. These lush and vibrant ecosystems, however, are also greatly threatened by a number of Read More...