Global population is forecast to reach 11.2 billion in 2100, according to projections in new U.N. population report.
(BVO) – Pies, pies and more pies.
In China, McDonald’s is having a pi day. Get it?
That’s pi as in 3.1415, the mathematical constant you use to find the circumference of a circle.
The American fast food chain will be selling the dessert this week for half price at 3.14 yuan. That’s about fifty cents (USD).