From Beyoncé to Drake and beyond, the world is rocking to the rhythm of Afrobeat. Feel the music as Kenyan afro-pop superstars Sauti Sol take the TED stage to perform three songs: "Live and Die in Afrika," "Sura Yako" and "Kuliko Jana."

In his talk, he talked about how people can always find alternatives especially when they are living in an area that is under a blockade where most of the necessary chemical materials for chemistry lab are not allowed to enter the city. El Sadi created a new lab which he called the green lab especially that it is environmentally friendly. He was...