Does a student need grading?

Imagine a school system in which examinations, sanctions and grading do not exist. Personally, I think a small group would still feel motivated to study and do their homework, but a considerable number would set other priorities.

Good practices: Livestock production with minimal use of antibiotics

Presented by My Salman at the seminar "Antimicrobial resistance; linkages between humans, livestock and water in peri-urban areas" at the World Water Week, 29th August 2016.