How do mRNA COVID-19 Vaccines Work to Fight COVID-19 ? This video explains it well. mRNA vaccines spur the production of foreign antigens within the body preparing the immune system to recognize and memorize this viral entity. It is now ready to fight off future infections caused by the virus with the same antigen.
Fortune cookies are not a traditional Chinese custom but an American one. Three different men claim to have invented the Chinese fortune cookie. They all lived in California in the early 20th century: Japanese immigrant Makoto Hagiwara, the owner of the Japanese Tea Garden, Chinese immigrant David Jung, founder of the Hong Kong Noodle Company in Los Angeles and Japanese immigrant Seiichi Kito, the founder of Fugetsu-do in Los Angeles' Little Tokyo.
90% of Facebook users are from outside the US. Their largest user base is India, followed by the US, Indonesia and Brazil.
High-heeled shoes were not originally designed for women. Persian men in the 10th century, wore heels while on horseback so their feet would fit better in the stirrups. This trend that was then adopted by Europeans at the turn of the 17th century when women claimed them.