Not many people break $1 million in a one-person business. Laszlo Nadler, whose startup appeared in this blog last year, blasted through that milestone in 2015. This year, the father-of-two, based in East Brunswick BC -1.33%, N.J., is on track to break $2 million at his Amazon store Tools4Wisdom—and still ... Read More »

It’s back-to-school season for much of the country, but for some students, school is never out. For some, classes are in session all year long: About 3,700 K-12 public schools across the country operate on a year-round calendar — approximately 4 percent of all U.S. schools in 2011-12, according to ... Read More »

A new method for cleaning teeth could reach bacteria that is often left behind by other treatments to cause cavities and tooth decay, researchers say. Nanoparticles added to hydrogen peroxide cleared bacteria on teeth that normally would hide in biofilms that form from the consumption of sugar, suggesting the method ... Read More »