Plenary Address Added to AAAS Annual Meeting Lineup Former Vice President Joe Biden will stress the urgency to advance cancer prevention, detection, treatment and care during a newly added plenary address at the American Association for the Advancement of Science’s upcoming 184th Annual Meeting on Sunday, Feb. 18.

Using exquisitely precise methods to measure how memories are embedded in brain cells in mice, scientists have shown how fear-based memories prompted by the sound associated with an electric shock can be activated and erased.