Peter Dunn and Albert Wood Invented Viagra Viagra was invented in 1989 Sildenafil, sold as the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. It is unclear if it is effective for treating sexual dysfunction in women. It is taken by mouth or injection into a vein. Who Invented Penicillin […]
William Sealy Gosset Invented Z Test Z Test was Invented in 1908 A Z-test is any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution. It is a statistical test used to determine whether two population means are different when the variances are known […]
Yoyo is a toy consisting of an axle connected to two disks, and a string looped around the axle. Yoyo or yo-yo is considered the second oldest toy in history, the oldest being the doll. It is believed that the yo-yo most likely originated in China. The first historical mention of the yo-yo, however, was from […]
Three former PayPal employees — Chad Hurley, Steve Chen, and Jawed Karim Invented Youtube. Youtube was Invented on 14 February 2005. YouTube is an American video-sharing website headquartered in San Bruno, California. Google bought the site in November 2006 for US$1.65 billion; YouTube now operates as one of Google’s subsidiaries. YouTube allows users to upload, […]
The chart-topping Canadian rapper, Drake, popularized the term “YOLO,” an acronym for “you only live once,” with “The Motto,” a bonus track from his excellent 2011 album, Take Care. However, the word “you only live once,” had long existed before Drake, popularized it.
The Neolithic peoples of Central Asia Invented the Yogurt Yogurt was Invented in Mesopotamia around 5000 BC Most historical accounts attribute yogurt to the Neolithic peoples of Central Asia around 6000 B.C.. Herdsmen began the practice of milking their animals, and the natural enzymes in the carrying containers (animal stomachs) curdled the milk, essentially making […]
Ryan McLatchy Invented Yoga Pants Yoga Pant was Invented in Yoga pants are a type of flexible, form-fitting pants designed for the practice of yoga as well as other physical activities that involve a lot of movement, bending and stretching. They are typically worn for sports and physical exercise, martial arts, dancing, pilates, or aerobics. […]