MetroHacks, run by high-school students to host high-school hackathons in the Boston area, will host MetroHacks Women II on February 23 (8:30AM-6PM) at the Microsoft NERD Center (1 Memorial Drive, Cambridge). Young women (ages 13-18), regardless of level of experience, are invited to register for a free day of learning, programming, and competing to build applications in the areas of health, the environment, and civics. Meals and snacks are included. Adults who would like to be mentors at the event may apply here. For more information, email info@metrohacks.org.