Posted: Jan 05, 2012 12:10 PM ET
Last Updated: Jan 05, 2012 12:08 PM ET
In this series of special reports, The National investigates how close we are to finding cures for aging, obesity, diabetes, the common cold and cancer.
Parliament Hill LIVE
RAW: Parliament Hill shooting
The first images inside Parliament Hill after shots were fired at the National War Memorial
VIDEO War Memorial shooting
Bystanders and first responders were performing CPR on a shooting victim at the War Memorial.
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The Exchange with Amanda Lang
The day's biggest business stories. Weeknights at 7 p.m. ET on CBC News Network
Parliament Hill attack: 1 gunman dead after soldier shot at National War Memorial
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