Today’s Solutions: February 23, 2026
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China’s “artificial sun” fusion reactor breaks yet another record

The Chinese Academy of Sciences has exciting news about its fusion reactor that it recently shared in a release. The Experimental Advanced Superconducting Tokamak (EAST) fusion reactor successfully sustained a plasma temperature of 120 million degrees Celsius for 1,056 seconds, effectively Read More...

Animation of Ocean Battery energy storage system

Ocean Battery could help solve the renewable energy storage problem

The lack of adequate energy storage systems is one of the biggest problems associated with the rise of renewables such as wind and solar in recent years. In an effort to provide a solution, a Dutch startup has invented the Ocean Battery — an energy storage system that operates by the same Read More...

Book Excerpt: ‘The Sleep Fix

Book Excerpt: ‘The Sleep Fix: Practical, Proven, and Surprising Solutions for Insomnia, Snoring, Shift Work, and More’

“Sometimes finding just one place to start, one thread to pull on, can shift the momentum in the other direction—sleep improvement leads to more sleep improvement.” -Diane Macedo In today’s Optimist View, we’re delighted to share an excerpt from ‘The Sleep Fix,’ the newest book from Read More...

Photograph of the milky way.

Mapping out the Milky Way’s snacks gives clues into dark matter

In our galaxy’s galactic halo, there are 12 streams of stars orbiting. These burning balls of gas are actually being torn apart and their energy is absorbed into the Milky Way. In other words, they are the galaxy’s food source. Using the Anglo-Australian Telescope (AAT), a team has finally got Read More...

Blue helix human DNA structure.

World’s smallest antenna created from DNA

Scientists, from the Université de Montréal, have constructed the world’s tiniest antenna in an incredible experiment. This nanoantenna is made entirely from DNA and its purpose is to monitor structural changes of protein molecules in never before achieved detail. What is the device made out Read More...

Bowl of red grapes on blue wooden table.

Here’s why grapes are good for your gut

The health benefits of grapes Grapes are the perfect, portable healthy snack to eat. Enclosed in their bite-size shells, they are a widely popular choice across the globe. The fruit is actually known to be a great source of potassium which helps balance fluids in the body. A new study, Read More...

surgeons operate heart transplant

Doctors transplant pig's heart into human patient for the first time ever

A remarkable milestone in medicine was reached by doctors in Maryland who have successfully transplanted a genetically modified pig’s heart into a human patient in a do-or-die situation. David Bennet, a 57-year-old handyman, was the recipient of this life-saving operation. He knew that the Read More...

woman in overalls gardening

Create a refuge for endangered native plant species in your own garden

Here at the Optimist Daily, we never tire of sharing stories that help garden-lovers and green thumbs continue cultivating their gardening habits. Gardening, or even just spending time in a garden, doesn’t just offer people several physical and mental health benefits, but gardens can potentially Read More...

Two N95 masks lying on a wooden table

Study: Dry heat can be used to disinfect N95 masks

Since the onset of the pandemic, many hospitals have faced a shortage of personal protective equipment (PPE) such as N95 masks. As a result, researchers have started evaluating the impact of various methods of decontamination on how well masks filter out viral particles — all in a bid to allow Read More...

Preeti Chandi

Preeti Chandi becomes the first woman of color to trek across Antarctica

Preeti Chandi, a 32-year-old army officer and physiotherapist hailing from Derby in the UK, has become the first woman of color to successfully complete a solo expedition across Antarctica. Chandi admits that she was not always encouraged to take on the 700-mile trek on her own. She says that Read More...