Numbers: Science news of the year, 2008

Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Numbers. Follow hotlinks to the full, original stories.

Math success doesn’t add up for U.S. girls
Environment may play important role

The perception that girls don’t measure up to boys when it comes to math was refuted by a study of more than 7 million students in 10 states.