Amateur cook and writer Maureen Evans has perfected the art of tweeting a recipe in 140 characters or less. fot. Wojciech Zalewski/iStockphoto hide caption

itoggle caption fot. Wojciech Zalewski/iStockphoto

Isabelle Olsson, the lead designer of Google Glass, says she is encouraging more women to enter the tech industry — not just as designers, but in all capacities. AFP/AFP/Getty Images hide caption

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One of the four non-profits to benefit from the Google matching campaign is Doctors Without Borders, which held an Ebola training program last week in Amsterdam. Jasper Juinen/Getty Images hide caption

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Facebook CEO Mark Zuckerberg speaks to students at Sequoia High School in Redwood City, Calif. His company released a new, simpler privacy policy Thursday, but it does not make any big changes to how much data the company collects from users. Alex Washburn/AP hide caption

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One of these penguins is not like the others — the chick in front is really a rover, designed by filmmakers and used by scientists to gather data. Huddle/John Downer Productions/BBC hide caption

itoggle caption Huddle/John Downer Productions/BBC