Standard deviations has been used as a metric to measure total risk within the investment community. But standard deviation isn't always used correctly by investors, writes Matt McCoy.
Pi Day has become a national celebration of math, and offers the perfect opportunity to get kids interested in the fun of solving puzzles.
Pi Day gives math fans a chance to celebrate the popular ratio, and foodies the chance to make a play on words and bake their favorite pies. When your family celebrates both, its the perfect equation for fun.
Tesla created its own safety rating for the Model S sedan, to the chagrin of the National Highway Traffic and Safety Administration. In response to Tesla's 5.4 out of 5 safety rating claim, the NHTSA has tightened its ratings regulations.
How do transit agencies and other similar entities manage to 'serve' more people than even live in their areas?
This week's round-up of Good Reads includes the case for growing meat with stem cells, Thailand's draconian defamation laws, Kazakhstan's new role in the war against terrorism, a lamp that is changing villages in Kenya, and why it really doesn't matter if you don't take Algebra II.