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The top 10 states leading the renewable energy revolution in the U.S.
California remains the U.S.’ renewable energy leader, but energy efficiency and renewables are gaining major ground across the country, a new ranking of states and cities shows. Six states now get at least a fifth of their power from non-hydro renewable sources such as wind and solar. The Read More...
Wind rules Scottish energy production, provides 95 percent of electricity
Some Optimist Daily readers write that we dedicate much news space to renewable energy. That’s true. It’s also true that the renewable energy story is possibly the biggest news story of these times. Renewable energy also means a clean environment, no air pollution, better health. The impact Read More...
Electric cars cleaner than any gas-only car for 97 percent of U.S. drivers
Electric cars are clean cars without any tailpipe emissions. Yes, but there’s one caveat: Unless they're charged entirely on renewable energy, there are emissions associated with generating the electricity used to power their batteries. This map shows what fuel efficiency would be necessary for a Read More...
Study: A low-carb diet is key to fighting cancer, heart disease and arthritis
Yet another study shows that reducing carbohydrates (“carbs”) such as bread and pasta, kickstarts your immune system to fight disease. When we digest carbs, we create sugar. That’s vital for energy. However, one of the sugar components, glucose, also interferes with some of the body’s Read More...
Showing your vulnerability makes you stronger
We don’t grow up learning to be vulnerable. To the contrary, most of us try to hide our weaknesses. That’s understandable but also counterproductive. Your greatest strength emerges when you can embrace your weakest and darkest sides. Vulnerability is about being honest with yourself and about Read More...
Can mindfulness reduce fear of labour and postpartum depression?
Many women feel anxious about giving birth. Fear of the unknown and over-sharing by others (“I felt I was ripped apart,” one mother told my antenatal group) can make labour daunting. Being frightened of childbirth can prolong labour – by an average of 47 minutes, but it feels Read More...
Treating depression with software
A treatment for depression using Emotional Faces Memory Task (EFMT), a technology originally developed by two Mount Sinai researchers, resulted in a significantly greater reduction of major depressive disorder (MDD) symptoms compared to a control group, according to initial clinical results Read More...
China completed the world’s biggest floating solar energy farm
Images of the Beijing smog and millions of people wearing masks to be able to breathe are among the more dramatic depictions of air pollution caused by excessive industrialization. Now that China is turning away from industrial manufacturing and towards services, it is focusing on remedying some of Read More...
Hydrogen power to give VTOL drone six-hour endurance
Wirth Research has unveiled the design of its tilt-rotor, vertical take off and landing (VTOL) drone. The company claims its all-new Unmanned Aerial System (UAS) will be the first in the world to use lightweight hydrogen fuel cells as its primary energy source, for a combination of long range and Read More...
This is why the environment needs the support of blockchain technology
The blockchain technology that underpins the cryptocurrency Bitcoin is completely secure. No central authority controls the blockchain, and every transaction made is logged in a transparent matter. Considering that many modes of governance work in secrecy and are prone to corruption, the Read More...