40th anniversary of the cell phone: John Walls from CTIA, the Wireless Association talks about this revolutionary technology and the impact it's had on all of us. NASA wants to identify, capture and retrieve an asteroid. HIV-infected people, who start anti-retroviral treatment, can expect near normal life spans. Cell therapy could become as common of a way to treat the sick . A university in Israel gives us a lesson in what plants know. Researchers have come up with a new way to prep brain tissue for detailed study. Science World Quick Quiz: Remembers Nobel Prize winning scientist Robert Edwards pioneered the In-Vitro-Fertilization technique.