It's no secret that many biologists have a bit of math phobia. If that includes you then I invite you think of a number. Go on. Any number between 1 and 9999.
Now explore that number at NumberGossip.com
You'll learn the unique properties of the number, the rare properties and the common properties.
You'll learn about evil numbers, odious numbers, narcissistic numbers, untouchable numbers, vampire numbers and many more.
Not directly biology related but if it makes math a little more fun then my work here is done.