Podcast Episode #251: Inventing Teflon

In this episode, you’re going to learn about the accidental invention of the third slipperiest substances known to man, and the only known substance a gecko’s feet cannot stick to, Teflon. [TRANSCRIPT] Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML You can also find more episodes by going here: Daily Knowledge Podcast

Read more

Americans and The Date Format and How That Relates to Data Storage, Holy Wars and Soft-Boiled Eggs

M. Seager asks: Why do Americans write dates Month/Day/Year and most others Day/Month/Year? In the United States, the date format begins with the month and ends with the year (MM/DD/YYYY), and this arrangement is relatively unique. In most of the rest of the world, the day is written first and the year last (DD/MM/YYYY), although in some places like China, […]

Read more

Who is McDonald in McDonald’s Restaurant

Mark R. asks: Was there a real “McDonald” that started McDonald’s or is it like the fictitious Betty Crocker? McDonald’s is, without question, the most successful, popular, and influential fast-food restaurant chain in recorded history. The name most commonly associated with McDonald’s is Ray Kroc.  Kroc was the entrepreneur who founded the McDonald’s corporation.  So how did it come to […]

Read more

Weekly Wrap Volume 59

This is a weekly wrap of our Daily Knowledge Newsletter. You can get that newsletter for free here. Why Do Men Snore More Than Women? When humans sleep, the muscles around our throats relax and cause the airways to narrow. Snoring occurs when certain soft tissues—such as the soft palate (or roof of the mouth), the uvula (the dangling piece […]

Read more

The Remarkable Indus Valley Civilization

The Egyptians built massive pyramids, and the Babylonians instituted the first known written system of laws. The Chinese began a fortified wall that eventually spanned (depending on whom you ask) as much as 13,000 miles, and the people of the Indus Valley? Well, they had an excellent sanitation system. Apparently peaceful, well organized, clean and with a high standard of […]

Read more

Al Jolson- Misunderstood Hero or Villain?

Ask most movie fans, “What was the first ‘talkie’?” The most frequent reply tends to be “The Jazz Singer” starring Al Jolson. This is a “sort of” correct answer, but not really. The earliest “sound” movies were made by synchronizing motion pictures to phonograph records. In 1926, (a year before “The Jazz Singer”) Warner Brothers re-released the previously silent film […]

Read more
1 137 138 139 140 141 307