Deb Roy and his wife Rupal Patel have turned their house into a high-tech observatory and live-in laboratory. With the aid of their young son, the pair of academics are collecting data for the most ambitious study ever conducted on how children acquire language. So far, their Human Speechome Program has amassed more than 200,000 hours of audio and video recordings — more than 250 terabytes of data — and they’ll depend on a Mac application called TotalRecall to help them make sense of it.

For the first time ever, this year’s Worldwide Developers Conference (WWDC) in San Francisco offers a track designed for those developing applications and optimized web content for iPhone. In fact, we’ve already listed 80 sessions and hands-on labs essential for iPhone development. The conference offers developers a great opportunity to speak with Apple’s own iPhone engineers and user interface experts, and if you sign up now, you can take advantage of early registration pricing and save up to $300.