Things I learned lately - 14 Mar

• China used more concrete in 3 years (2011-2013, 6.6 gigatons) than the US did in 100 years (1901-2000, 4.5 gigatons).
• Adult smoking rates in the US have dropped from 43% (1965) to 18% (2014). Meanwhile, in Indonesia, smoking rates among males is 67%.
• The 'no animals harmed' notice that appears in film credits doesn't cover unintentional harm or off-screen harm.
• When a supernova unleashes a gamma ray burst, it releases as much energy in a few seconds as our sun will release in its entire lifetime (assuming it doesn't supernova).
• You will remember a person's name better if you hold their gaze as you're being introduced.
• In the Netherlands, there are public facilities where you can get your recreational drugs tested to make sure they don't have any impurities.
• According to the Vatican, Catholics can reduce their time in purgatory by following the Pope on Twitter.
• David Tennant, who played Doctor Who, was inspired as a child to become an actor because he loved the original Doctor Who series.
• Divorce moves in clusters. Friends who divorce increase the likelihood that their friends will also divorce.
• Cookie Monster's real name is Sid.
• According to the founders, Ben & Jerry's ice cream could someday come infused with marijuana.