Approximately fifty percent of Asians have trouble metabolizing alcohol because they are missing a liver enzyme  that’s needed to process it.

Exercising increases productivity. Having a regular exercise routine can make you happier, smarter, and more energetic, and thus last longer throughout the day.

The Ben Franklin effect is a psychological phenomenon where someone who has done a favor for someone else is more likely to do another favor for that person than they would if they had received a favor from that person.

Your blood actually appears green underwater at about thirty feet because there is no red light underwater. As sunlight travels through the water, it filters out colors starting with the longest wavelengths. Red light is absorbed first and disappears within the first 30 feet, meaning there is simply no red light left to reflect off the blood.