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Steven Strogatz

As we celebrate Pi Day, mathematician Steven Strogatz talks about how the ancients calculated pi—and how you can do it at home.

mathematician, Steven Strogatz, pi, pi day, irrational number, greek number

Did you know some infinities are bigger than others? Or that one is equal to .99999999999 repeating? Just a few of the math mysteries in *The Joy of X*, a new book by Steven Strogatz.

math, algebra, steven strogatz, stephen strogatz, counting, numbers, infinity

Did you know some infinities are bigger than others? Or that one is equal to .99999999999 repeating? Just a few of the math mysteries in *The Joy of X*, a new book by Steven Strogatz.

mathematics, math, numbers, steven strogatz, the joy of x

What are the odds? How are we connected? And does it all add up? Steven Strogatz, professor of applied mathematics, joins us to run the numbers.

math

Chances are you've heard of the 'small world' idea of six degrees of separation. But is it correct?

small worlds, six degrees, kevin bacon

Happy National Moth Week!

- 'Moth-ers' Shine a Light on Nighttime Beauties
Much-maligned moths are more than the butterfly’s drab cousin.

- How An Elegant Moth Stays Aloft
Hawk moths feed like hummingbirds. Ty Hedrick wants to know how they hold steady...

- The Myth of the Woolly Bear
Can woolly bear caterpillars predict winter weather?

- Tracking an Amphibious Caterpillar
Several newly-discovered species of caterpillar in Hawaii function equally well ...

- A Virus That Affects Caterpillar Behavior
A virus known as baculovirus sends caterpillar climbing for the treetops.