Scientists update Hamilton’s rule with powerful new math, revealing the many ways altruism and cooperation can thrive in ...

A mathematician has solved a 200-year-old maths problem after figuring out a way to crack higher-degree polynomial equations without using radicals or irrational numbers. The method developed by ...

Three decades ago, financial adviser Bill Bengen created a retirement principle called the 4% rule. It went viral. Now, the ...

This simple framework is reshaping how retirees plan their income, but is it right for you? Here's what to know.

Our culture glorifies busyness. With long to-do lists, packed calendars, and constant notifications, you may feel like you’re ...

How much of your hard-earned portfolio can you sell each year to finance your retirement — without ever running out of cash? 4%? 5%? Something else? Like they say about cars, your mileage may vary.

Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.

If you have a good rice cooker, rice is one of the simplest things to cook. If you don't, it can be pretty tough to nail the perfect texture -- al dente, with just the right amount of fluffiness, ...

Using a relatively young theory, a team of mathematicians has started to answer questions whose roots lie at the very ...

Dear Annie: I read the letter from “Sideline Mom With a Heavy Heart” with deep empathy. My husband coached both of our sons, now grown men, in baseball, wrestling and football. While he was not as ...

It's really common to experience early success in your weight loss efforts, only to find yourself battling to sustain the progress. To address this challenge, a weight loss coach with 545k followers ...