NIGERIA « A l’heure où la question des énergies renouvelables se pose avec de plus en plus d’acuité, quatre jeunes Nigérianes ont mis au point

« 15-Year-Old Kelvin Doe is an engineering whiz living in Sierra Leone who scours the trash bins for spare parts, which he uses to build

In his first year as a teenager, Bronx native Justus Williams has already become the youngest African-American chess player to be awarded the title of