Life is full of big decisions, and making a choice between seemingly endless options can be – well, paralyzingly hard. Should you buy this apartment, or that one? Share with this housemate, or someone ...

It should come as no surprise to anyone that to succeed in a science, technology, engineering or math (STEM) field, one needs a solid foundation in mathematics. When my sons entered college, even ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...