Summary We consider the nth iterate of the sine function and related functions by looking at the growth and form of the coefficients in the resulting power series. By controlling for the growth of the ...

Isaac Newton was not known for his generosity of spirit, and his disdain for his rivals was legendary. But in one letter to his competitor Gottfried Leibniz, now known as the Epistola Posterior, ...

This is episode one of a three-part series. You can listen to part two here and part three here. [CLIP: Wind howls] Rachel Feltman: When Tom Crawford climbed Mount Kilimanjaro and stood 5,895 meters ...