The Carton Council formed in 2009 to expand carton recycling nationwide by building an infrastructure for recycling aseptic and gable-top cartons used for many common food and beverage products.

Isah Barde tok to BBC Pidgin about im interest for invention and how e build robot wit cardboard wey dey move.

The computer scientist Christoph Salge is trying to circumvent the need for rules that guide robots’ behavior. His strategy: Give them a goal of making us more powerful.