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.
Food transport to become much greener thanks to solar-powered reefers
Transporting food to your local supermarket typically requires refrigerated trailers (also known as reefers). These are usually cooled by diesel fuel, with an idling diesel tractor burning about a gallon of fuel per hour and releasing about 22.4 pounds of carbon dioxide into the atmosphere as a Read More...
Single antibody shot could provide Lyme disease immunity
Wilderness hikes are a summertime favorite, but in regions where Lyme disease is present, one tick bite can have lifelong health impacts. Even with preventative measures such as wearing full-coverage clothing and scanning skin for ticks regularly, around 475,000 people contract the disease each Read More...
This eco-friendly energy storage device is made from tropical fruit waste
While your local grocery store most likely doesn’t have any tamarinds in its fresh produce aisle, the tropical fruit is consumed in great quantities in Asia, where the fruit’s bulky shells usually end up in landfills after they’ve been discarded. In a bid to find a better use for this Read More...
How NASA technology is helping firefighters tackle wildfires on the ground
From the United States to the Mediterranean coastlines, wildfires have been breaking records this summer, with places in Greece, Lebanon, Turkey, and Italy seeing some of the worst fires in decades. As climate change-induced drought and severe heatwaves complicate the painstaking efforts of Read More...
This new metric assesses road safety before any accidents ever happen
The way urban planners currently assess the safety of a road involves counting the number of accidents on that particular road. Essentially, this means that there’s a "literal human cost" to measuring how safe a street is, says Megan Ryerson, a transportation engineer and urban planner at the Read More...
Cheaper and Cleaner: Europe’s renewable energy success story
Europe made history over the last six months when it generated more electricity from renewable sources than it did from fossil fuels. Over 40 percent of the electricity used by the EU’s 27 member states came from renewable sources, such as solar, wind, hydro, and bioenergy. In contrast, fossil Read More...
The Optimist View: ITP Small grants change the world
“Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.” - Margaret Mead The Optimist View is our long-form edition weekend publication which dives deeper on the critical solutions we cover on The Optimist Daily. Read More...
Scottish distillery unveils transport fleet that runs on whiskey waste
Like an increasing number of businesses around the world, whiskey giant Glenfiddich recently pledged to reduce its footprint on the environment. With that goal in mind, the company started adapting its delivery trucks to run on low-emission biofuel created from its own whiskey waste. Adopting a Read More...
The Optimist View: An Ode to Laughter
Among those whom I like or admire, I can find no common denominator, but among those whom I love, I can: all of them make me laugh. — W. H. Auden Throughout the long trials of Covid-19, one of the main things that has linked humans together and always improves a situation, no matter how dire, Read More...
Pedestrians have priority under Britain's revised Highway Code
Many of us will be familiar with the memorable Spiderman line: “With great power comes great responsibility.” This is the spirit behind the “hierarchy of responsibility,” the Highway Code revision that Great Britain plans to implement this autumn, pending parliamentary approval. Under Read More...