Today’s Solutions: December 20, 2025

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.

Researchers say 3D printed hai

Researchers say 3D printed hair farms could be the solution to balding

While hair loss is generally not something to worry about, don't tell that to people who are balding. One major solution to balding has been hair transplantation surgery. And while over the last decades the procedure has become increasingly sophisticated, it still fundamentally relies on hair Read More...

Automobile lovers are making e

Automobile lovers are making electric cars using classic automobiles in Japan

How do you make electric cars more attractive? For some automobile lovers in Japan, the answer is turning retro cars into beautiful eco-friendly electric vehicles. One such example is the e-bug, an electric car based on the old version of the iconic Beetle, which was produced for more than half a Read More...

How hemp crops can help save p

How hemp crops can help save pollinators during the summer months

For honeybees, the months between July and September aren’t the finest months for collecting pollen in America—which is problematic considering these are the months that honeybees are supposed to thrive. The reason behind this is that there’s a lack of farm crops during that time that Read More...

Researchers have finally found

Researchers have finally found a greener way to produce graphene

We’ve written about graphene before and for good reason: it is extremely strong, ultra-thin, and has an excellent electrical and thermal conductivity that opens up all kinds of possibilities. The only problem is that producing it is resource-intensive and expensive. But that’s all set to change Read More...

Scientists in New Zealand are

Scientists in New Zealand are using ‘eavesdropping’ technology to protect birds

This week we’re giving extra attention to birds, bees and all the pollinators that keep our ecosystems in order. For today’s edition, let’s have a word about the Hihi bird—a rare species of bird that was recently reintroduced to a nature reserve in New Zealand after being regionally extinct Read More...

Scientists discover supposedly

Scientists discover supposedly extinct species living in the forest of Honduras

Just because a species is labeled as extinct does not necessarily mean that they’re gone from this Earth forever. Deep in the Mosquitia rainforest of Honduras, researchers recently rediscovered a species thought to be extinct at the ruins of a recently discovered ancient settlement known as the Read More...

Robot ‘duck’ helps farmers

Robot ‘duck’ helps farmers in Japan keep rice fields clear of weeds

For centuries, rice farmers in Asia have been using birds as a natural solution to weeds and pests on their rice fields. While paddling around in flooded paddy fields, ducks tear up weeds and snack on insects, with their manure even acting as additional fertilizer. In the 21st century, this Read More...

CBD could potentially be used

CBD could potentially be used as an antibiotic against drug-resistant bacteria

For as long as modern medicine has treated infections with antibiotics, it has been entangled in an arms race against antibiotic-resistant bacteria. And as scientists look for ways to stem the tide of global health problem, the authors of a new study have discovered a potential new weapon against Read More...

This global experiment with â€

This global experiment with ‘lost’ wallets will restore your faith in humanity

Let’s say you lost your wallet on the street and a random stranger picked it up. Do you believe you have any chance of getting your wallet back with its contents still inside it, or would you think your wallet is a goner? According to a new global study, you have reason to have faith in humanity Read More...

Here’s what you can do t

Here's what you can do to save the bees!

This week we’re giving a lot of attention to the bee, one of nature’s most important creatures. Why? Because bee populations have been plummeting, and we must do everything in our power to save them. Since bees pollinate almost every major crop, we’d lose one-third of our food sources if bees Read More...