Today, both the National Basketball Association and NCAA require their game basketballs to be inflated between 7.5 and 8.5 psi. Basketball is a uniquely American sport. It was the brainchild of Dr. James Naismith, a college instructor and graduate student at Springfield College in Massachusetts back in 1891. At age 31, Naismith, who loved athletics, … Read more
There are 7 different types of pollution. They include air and water pollution which can be caused by human activity or by natural events such as volcano eruptions. Most types of pollution can also be caused by human intervention such as traffic air pollution caused by car fume particles. Here are the 7 types of … Read more
Satna is the city with the cleanest air in India. Air cleanliness levels are measured in PM readings. The average large Indian city has a PM of 4.5. Satna has a PM of 2.5. This equates to around 15.5µg/m³ which makes Satna one of the best cities in India for respiratory health. These air particles … Read more