In his book, Ian Scheffler gives competitive puzzle solving a twist.
Telling your kid that you're not a number person can do some damage.
Airlines endlessly try to engineer procedures to speed up boarding and reduce costly delays. A scientist thinks he has the solution.
A discovery of a lifetime (at least for the math geeks among us): the largest prime number in the world.
Carbon nanotubes are thinner than a strand of hair and are being tested to power extremely small motors. The BBC reports: "Carbon nanotubes have…
