New research suggests that hierarchies make companies more productive. (But too much testosterone does not.)
Meet four of the entrepreneurs applying their small-business skills to the campaign trail as they run for Congress.
A skimmer's guide to The Knockoff Economy: How Imitation Sparks Innovation, by Kal Raustiala and Christopher Sprigman.
A new offering from Roku could make smart TVs mainstream.
Tony Jimenez, CEO and founder of IT-services company MicroTech, talks about the road from military service to running a tech company--where he sometimes hangs with heads of state.