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Diagnostics startup Theranos Inc. is seeking to hire a laboratory director to oversee one of its key facilities amid questions raised in laboratory circles about the qualifications of a physician who now runs the lab. The blood-testing company has been operating its Newark, Calif., lab for the past 10 months under the supervision of Sunil Dhawan, a dermatologist without a degree or board certification in pathology or laboratory science. (Carreyrou, 11/5)

The Silicon Valley start-ups that often grab headlines are typically in the Internet and consumer technology world. But there’s another part of start-up land that is also highly active: health-related technology, which includes biotech, health care services and medical devices. (Benner, 11/5)