Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at ...

The identification of protein interactions has been greatly simplified by the invention of yeast-based screening assays such as the yeast two-hybrid system. However, yeast two-hybrid assays cannot be ...