Korean airlines. The Korean Air logo featuring stylized “taegeukgi” design was introduced on 1 March 1984. The same symbol is used in the Korean Flag.
In Vinci. Leonardo da Vinci was born on 15 April 1452, in a farmhouse about 3 kilometers from the town of Vinci, near Florence. His full name was “Leonardo di ser Piero da Vinci”, which means “Leonardo, son of Piero, of Vinci”.
China. This is Mao Zedong’s official portrait at Tiananmen gate. In the mid-1990s, Mao Zedong’s picture began to appear on all new Renminbi currency. This was officially instituted as an anti-counterfeiting measure as Mao’s face is widely recognized in contrast to the generic figures that appear in older currency.
Carob seed. Carat, a unit of mass equal to 200 mg, is derived from a carob seed (Greek kerátion). People commonly believed that the seeds have unusually low variability in mass. Modern research denied this claim.