Human's most rapid danger detection system is right under our nose
Organisms all over the animal kingdom can do extraordinary things. Each utilizes a particular sense or skill to be perfectly adapted to their environment. Many of them have a keen sense of smell which can lead them to food, detect other animals, and steer them away from potential danger, with Read More...
Minimize your food waste with these 5 preservation methods
Here at The Optimist Daily, we love sharing practical ways people can help combat climate change right at home. While the climate crisis may leave us feeling helpless and overwhelmed, there are small actions that we can take that will propel us in the right direction and empower us. Food waste Read More...
Shop sustainably with these ethical online marketplaces
Online shopping is a modern-day convenience that many of us enjoy, however, the biggest online marketplaces often have questionable ethics practices. Luckily, there are other lesser-known marketplaces that are committed to ethical and sustainable business practices, support independent artisans, Read More...
17-year-old develops app to bring the magic of movies to young deaf viewers
For deaf viewers, open captioning makes movies and television more accessible, but for younger viewers who cannot read very quickly, subtitles aren’t very helpful. Fortunately, a new app, developed by 17-year-old student Mariella Satow, is making children’s movies more accessible with sign Read More...
These ants can transform from worker to queen with one single gene
The social dynamics of ant colonies are complex setups, requiring sophisticated mathematical models to map them out. There is a strict hierarchy of jobs that are determined by age: sterile workers, reproductive males, and reproducing queens. Under this hierarchy, the colonies' main collective goal Read More...
Travel company discontinues bookings with captive whale or dolphin shows
Marine biologists and activists are increasingly calling for the end to dolphins and whales held in captivity, especially for entertainment purposes, as these environments do not give them the space, social connection, and mental stimulation their complex brains need to thrive. Captive sea Read More...
How coal could help desalinate seawater in an eco-friendly way
While the practice of burning coal to generate electricity is soon to become a thing of the past, the material could prove useful in other, more sustainable ways. A new study, for example, has shown that the mineral could find use in the desalination of seawater. The study, conducted by Read More...
Over 40 countries pledge to shift away from coal during COP26
During the COP26 climate summit, more than 40 countries have pledged to move away from coal, one of the biggest contributors to climate change. This is a major win for the environment, even though some of the world’s biggest coal-dependent countries, such as the US, India, and China, opted out Read More...
5 Ways to rest for renewed energy levels
What does it mean to rest well? Resting doesn’t just mean closing your eyes and hoping for the best—there are varied approaches to rest that can suit the spectrum of needs we go through daily. Read through these five different ways to rest to see which kind(s) your body is craving the most at Read More...
Can a machine read your mind? Turning thoughts into words
BrainGate recently made a technological breakthrough that has the potential to improve the quality of life of people living with paralysis. Previously, brain-computer interfaces (BCIs) had been able to translate thoughts into the physical world through point-and-click systems using virtual Read More...