My father was a primary school teacher. We used to listen to BBC programmes and read scientific and geographical magazines. It was then that I starte… - Evelyne Isaack Mbede

This ability to liquefy at such low temperatures makes helium a superconductor of electricity. For example, liquid helium is used as a coolant in magnetic resonance imaging, a breakthrough technology that generates high-resolution images of the human body, avoiding the need for radiation.

Those 10 years at the ministry were an experience I really enjoyed, but my heart beats for science. I am definitely a scientist and teaching is among my preferred activities.

We also do continuous training for people who live in highly tectonic areas, like the Rungwe Mountains. After a seismic event, we rush to the earthquake-stricken area to make sure that people are not affected by aftershock.