University of Delaware Online Research Magazine
University of Delaware Online Research Magazine

ISSN 2150-5128

There’s one more in 2015, coming in November. That most feared day: Friday the 13th. Tom Fernsler, “Dr. 13,” now retired from the Delaware Center for Teacher Education at UD, knows a lot about this focus of so much superstition. He uses it to turn kids and adults on to math. His fascination took off in 1987, a year that had three Friday the 13ths, the most you’ll find in any year. In 2016, we can relax, at least a little. We’ll have only one.

Quiz: Test Your Knowledge Vol 5-2

This is what the fear of Friday the 13th is called.

On Sept. 13, 1899, in New York City, this happened for the first time.

This comedic actress was born on Friday the 13th.

A track number in a train station was changed from 13 to 13A for this world figure.

This ill-fated mission launched at 13:13 CST on 4/11/70. The sum of the date’s digits is 13 (4+1+1+7+0). The explosion that crippled the spacecraft occurred on April 13.