To comfort her premature son Zachary when she couldn't be at the hospital.
She feared he would avoid being touched if he didn't feel it was comforting.
It mimics human touch, reducing pain indicators and promoting calmness.
To reduce economic burden and improve public health for a better economy.
Vector control, vaccination, and preventing stagnant water for mosquito breeding.
By using his street knowledge to become an official tour guide with Invisible Cities.
To ensure everyone, including those with disabilities, could enjoy the beach.
It remains a mystery; he likely walked over 24 kilometers a day through various terrains.
To challenge herself and prove she could hold her own in a new, intimidating world.
Meet the woman helping premature babies feel their parents' love, after her son Zachary was born 12 weeks early. Also: how Egypt became Malaria free; the homeless tour guide; and the world's oldest battle rapper.