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How do we measure itchiness?
Doctors commonly ask their patients to rate their pain from one to 10, although it is rare that we would be asked to scale our itchiness in this way. Gauging an itch Some readers may be wondering, why do we even need an itchiness scale? If you've ever had a condition which causes you to Read More...
This “Infinity Train” only needs gravity to recharge
Australian mining company Fortescue and Fortescue Future Industries are collaborating with UK-based Williams Advanced Engineering to create the Infinity Train—the world’s first battery-electric self-charging train. How does it work? A zero-carbon electric train that never needs to stop to Read More...
US Women’s Soccer Team wins equal pay
The US Women’s National Soccer Team has won four World Cups, four Olympic gold medals, and last week, in a stunning 5-0 shutout against Iceland, won the 2022 SheBelieves Cup. Last week the team also achieved a victory, not in a soccer match, but for equality in pay. The Optimist Daily Read More...
A victory for free speech: Toni Morrisson’s The Bluest Eye unbanned
Last month, the board of the Wentzville School District of St. Louis, Missouri voted to ban Nobel Laureate Toni Morrison’s novel, The Bluest Eye from school libraries. This came after a handful of parents requested the book be banned, citing themes of racism and child abuse. Now, after a Read More...
How to prep your houseplants for spring
The days are getting longer and warmer, so if you’re a house plant fanatic like us at The Optimist Daily, then you’re probably noticing that your house plants are starting to perk up after a dark and cold winter. Outdoor plants are more in touch with the seasons, but indoor plants need a bit Read More...
This novel pathogen-repellent material is inspired by lotus leaves
Here at The Optimist Daily, we like to keep our readers informed about new innovative materials that are being developed, such as roads made from diaper pellets, ultra-strong glass inspired by mollusk shells, and even solar capture materials that can be integrated into clothing. This time, Read More...
8 Amazing public transportation innovations
In the modern age, public transportation is an important solution for reducing emissions. Travel is increasing, with many commuting for work and others heading on vacation. At the same time, eco-friendly travel is a major consideration for the modern mover. Cities and countries around the globe are Read More...
Even in deserts, this system can generate water and electricity
The extreme heat of the world’s deserts makes maintaining a water supply and a steady supply of electricity difficult. At The Optimist Daily, we’ve written about optimizing solar panels with agricultural systems before. However, this experimental hybrid system from King Abdullah University of Read More...
Can a cast iron pan boost your iron intake? A dietitian weighs in
Cast iron cookware has a great reputation in the kitchen. You can use it for a multitude of cooking techniques from browning meat and veggies to baking bread, to slow-cooking flavorful stews. Did you know, though, that anything you cook in cast iron might actually increase your daily iron Read More...
Amsterdam plans to build its first wooden neighborhood in centuries
When it comes to sustainable urban development, Amsterdam stands out as a metropolis ready to integrate a variety of strategies to make the city more livable and eco-friendly: from underwater bike garages to energy-sharing, floating villages. Now, the city is planning to build an entire Read More...