Sperm whale pod surfacing, Dominica (© Franco Banfi/Minden Pictures)

The Alvin Ailey American Dance Theater rehearsing ‘Uptown,’ 2009, New York (© STAN HONDA/AFP via Getty Images)

Media Source Extensions (MSE) is a popular way to provide streaming video on the web.

nikitonsky: Here’s a trick: many fonts have a feature called “tabular figures”. If you enable it, all digits will have the same fixed width. Helps you avoid jumping in cases like this, and align columns in tables (thus “tabular”)