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.
IBM has developed a sustainable successor to the dirty lithium-ion battery
Yesterday we published a story (emissary section) about a new lithium-sulfur battery that has a capacity five times higher than that of lithium-ion batteries, which means it can keep a phone charged for five days. Today, we bring you another major advancement in batteries: a battery-free of cobalt, Read More...
Pilot study finds people heal faster at home than in hospitals
People check into the hospital expecting to get better, but there are risks — and some even wind up getting sicker. You can face the danger of complications, like bleeding or infection. There are also the constant check-ins from nurses or physicians that can disrupt sleep. And none of that Read More...
Computer model can help predict how climate change will affect coniferous forests
As climate change increases the odds of worsening drought in many parts of the world in the decades ahead, it is essential to gain new insights into how to preserve our natural environments. When it comes to forest ecosystems, drought-resistant conifers may hold some answers. In a bid to help Read More...
New battery could give smartphones a five-day life between charges
Imagine the comfort of having to recharge your phone only once every five days, or being able to drive your EV for hundreds of miles before having to stop and reconnect it to the grid. Well, soon that image might become reality as scientists have managed to create the world's most efficient Read More...
This clever box brings clean energy and water to Earth’s most rural places
After 15 years of experience in the renewables industry, Emiliano Cecchini set out on his biggest mission yet: help people in the most rural places meet their basic needs of power and water. Cecchini’s mission began in 2014 when he and his collaborator Davide Bonsignore discovered just how long Read More...
Footage of chimpanzees dancing suggests the urge to dance might be prehuman
If there is one thing that unites humans around the world, it’s that dance is a part of every human culture ever encountered. But while dance has a rich and ancient history in humans, it is considered all but absent in non-human primates. New footage from researchers in Kyoto, however, is telling Read More...
This lamp is designed to help people with dyslexia read better
The precise causes of dyslexia remain a mystery, though research out of France two years ago suggests the condition occurs when someone has two dominant eyes, rather than the usual one. This means letters appear mirrored or blurred, making it difficult to read. Based upon this research, a Read More...
All aboard! Germany is slashing train prices to motivate people to ditch planes
If we want people to stop taking flights, then we need to make it easier for the public to choose greener modes of transportation such as trains. Germany seems to be well aware of this. To kickstart 2020, the country’s railway operator, Deutsche Bahn, is slashing its long-distance rail Read More...
Denmark got a record-breaking 47% of its electricity from wind power in 2019
Even if wind energy can’t provide power 100 percent of the time, it can still provide a bulk of the energy needed annually to power a country. A testament to that is the nordic country of Denmark, which hit a huge renewable energy milestone in 2019 as nearly half of its electricity came from wind Read More...
Ford is recycling old coffee waste to make headlights for your car
Your car might soon be getting a caffeine boost, as Ford has recently teamed up with McDonald’s to recycle old coffee waste into car parts. The automaker will be turning coffee chaff - coffee bean skin that comes off during the roasting process - into the plastic headlamp housing used in some Read More...