iPhone launch date; new $300 Lenovo tablet; IBM solar advance; EMC eyes deal

Some of the best tech and life science news is just a click away in today’s Bulldog Blog:

• AT&T’s work schedule points to Sept. 21 launch for iPhone, TechCrunch reports.
• A new Lenovo tablet for $300 shows up at BesBuy, Engadget says.
• IBM reports a solar power breakthrough, CleanTechnica reports.
• EMC is looking at an acquisition, the Boston Business Journal says.