The Philadelphia Engineering Math Challenge got its start at Boys' Latin, where Trey Smith advises a group of students that make up a junior chapter of the National Society of Black Engineers.

"The move is part of Buffer’s more general strategy to 'default to transparency' — meaning making operations as transparent as possible."

The program looks like this: students at YouthBuild Charter School will design and install the panels, investors will finance the panels and students at those 20 schools will learn about green technology.

Creative Mornings, the breakfast speaker series for creatives, is in 65 cities around the world, but not Philadelphia.

"We want to make it really easy for companies to use all the analytics that are being produced," says Yhat cofounder Greg Lamp, who lives and works in Carroll Gardens.

Never again type out e-mail addresses using "AT" and "DOT."

The Maryland synthetic biology company bought Medistem Inc., which has led the development of "universal donor adult stem cells."

Austin Seraphin sees through sound.

Edge of Nostalgia is bringing a whole new meaning to the genre of "ambient" music.