Today’s Solutions: April 29, 2026

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.

Woman reading online news on digital tablet, close up of hands using device

10 ways to spot misinformation online

In today's online world, there is a plethora of misinformation around, especially in heightened times of tension. The Optimist Daily is always working hard to ensure that the stories we bring you are verified. Here are 10 ways to spot misinformation online as you browse media sources. Did the post Read More...

Drones to deliver medical supp

Drones to deliver medical supplies and equipment during the COVID-19

A week ago, we wrote about how drones are becoming an essential tool for combating malaria. Now, it appears that the technology holds the promising potential to help in the fight against the COVID-19 too. Zipline, a medical drone delivery company, which is currently helping hospitals in Rwanda Read More...

A newly proven Darwinian evolu

A newly proven Darwinian evolution theory shines new light on conservation

An anthropology doctoral student at the University of Cambridge has analyzed centuries of naturalist data to prove a longstanding theory from Charles Darwin’s work. The crux of the work is in the relationship between how species evolve into subspecies and whether that presages new species. Read More...

How animals understand and use

How animals understand and use numerical skills

Animals may have a more complex understanding of our world than we thought. Specifically, they may be able to understand numbers and counting. No, they don’t practice arithmetic, but researchers have found that most animals have what they call “numerical competence.” For example, honeybees Read More...

The critical role of bicycles

The critical role of bicycles during the COVID-19 pandemic

As the coronavirus spreads, one of our most powerful tools for self-sufficiency and staying healthy might just be the humble bicycle. In New York, cycling has increased by 52 percent over the city’s bridges since social distancing protocols were put in place and in Chicago, bike share use doubled Read More...

Novel testing device can diagn

Novel testing device can diagnose coronavirus in as little as 5 minutes

Finding quick ways to diagnose coronavirus is incredibly useful for frontline health workers who have to meet an overwhelming demand to test thousands of people for the virus each day. Now, health care company Abbot Laboratories is unveiling a test for the virus that can tell if someone is Read More...

How and when you should be dis

How and when you should be disinfecting your cell phone

We use our phones for everything from making grocery lists to watching Netflix and counting our daily steps. These devices play a significant role in our day to day lives, but what role do they play in the spread of COVID-19? While it is not clear how long exactly the virus can live on objects like Read More...

Agrivoltaics: The mission to c

Agrivoltaics: The mission to combine agriculture with solar farming

Are fields of open, often fertile land better used for producing renewable energy or food? The United States already hosts more than 2 million solar installations, and photovoltaic capacity is projected to more than double over the next five years. Meanwhile, our growing global population means Read More...

Craving a new workout? These s

Craving a new workout? These studios are offering free online classes

Earlier this week we shared a story about the benefits of light to moderate exercise if you are feeling healthy, to boost wellbeing during the COVID-19 outbreak. If you’re looking for new and fun ways to stay active while practicing social distancing, look no further, we have a list of resources Read More...

The southern jet stream is mov

The southern jet stream is moving back to normal thanks to global efforts

Have you ever heard of the southern jet stream? It’s a powerful wind that shapes weather patterns and ocean currents in the southern hemisphere, particularly in the summer. Up until about 2000, it had been shifting from its usual course and moving southwards towards the Antarctic at a rate of one Read More...