Dar es Salaam, Aug. 6 -- KIJANA excelled in science subjects during his high school life and felt a strong desire to pursue a career that would help address health-related challenges in society.

He chose to study medical engineering at university, completed his degree successfully and was eager to apply his skills in the job market.

However, he soon discovered that employment opportunities in his field were scarce and highly competitive. He contemplated looking for a wife and starting a family, but realised that in his current state he would not be able to provide for a family.

Frustrated and disheartened, he accidentally stumbled upon a curious problem affecting certain communities-something, strangely enough, to do with butterflies. ...