21st Century Inventions That Could Change Your Life

Smart Caps

It's not always easy to tell whether or not something went expired. In the near future, there will be products available for manufacturers to use that will help their consumers see if the food product is expired or not. This includes bottle caps and other plastic packaging. The science of it is basically a type of packaging that is reactive to certain bacteria and toxins that are released when a food is no longer good to consume.

The More You Know

England is hit with more tornadoes per square mile than any other country in the world.
78% of NFL players undergo financial crisis by 2 years of retirement.
The world's oldest operating library is in Morocco.
War pigs were used in ancient warfare to counter against war elephants, which feared the pigs (and their squeals) and would bolt. War pigs were sometimes lit on fire to enhance this effect.

Post originally appeared on Upbeat News.