I’m not sure where this is originally from, but I found it on an intro to geology course page. What happens when midnight comes around again?
History of Earth in 24-hour clock
Projects by Nathan Yau See All →
Why People Visit the Emergency Room
These are the top 250 products that people injure themselves on or with in a year.
Who Earned a Higher Salary Than You
Work changed over the years. Salaries changed over the years. I was curious: If you compared your personal income from present day, how would it compare to the distribution of salaries in previous decades?