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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

Grab Bag of Gills

- Tuna
It's one of the biggest, fastest, and warmest fish in the sea -- and it's also...

- Cold-Water Fish Break the Ice with Antifreeze
Cold-water fish and snow-dwelling insects have evolved antifreeze proteins to av...

- How Fins Gave Way to Feet
Tiktaalik roseae was a fish that had scales, gills, and limb-like front fins.

- Designing the Pied Piper of Fish
Maurizio Porfiri designed a robotic fish that attract real fish. Now he’s trying...

- Debating Genetically Modified Salmon
Two scientists discuss food safety and environmental concerns associated with tr...