After reading about a charity which usually provides menstrual products to girls in Africa having to redirect products to Leeds - because there were girls there who couldn’t afford them - she decided she had to do something.

Born in 2003, this Swedish teen activist has become a leading voice for climate change activism.

One of the leaders and co-founder of the gun-control advocacy group Never Again MSD.

Her life changed forever when, in retaliation for her activism, she was shot in the head by a gunman on a school bus.

At the age of 15, US high school student invented what appeared to be a new, cheap way to detect pancreatic cancer.