1. Boko Haram & Unnatural Selection: The Nigerian government is determined to drive militants from a terrorist group out of the country ; A new gene-editing method allow scientists to change the genetic traits of plants and animals.
　　2. Escape to Europe; Cycle of Terror: Following the refugee trail from the Syrian border to Europe; The global reaction to the terrorist attack in Paris impacts the fight against terrorism.
　　3. Right to Die: Exploring the moral, political and personal questions raised by euthanasia.
　　4. Beating Blindness & White Collar Weed: Doctors and researchers make incredible strides in the fight against blindness; Struggling small-scale marijuana farmers face corporate takeovers as the end of the pot-prohibition nears
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