But how – and why – is this 1:1 ratio achieved? A new paper searches huge human data sets for gene variants that throw the 1:1 sex ratio off balance, and test the biological and theoretical ...

About 200 000 grade one and eight learners from more than 300 000 applicants have been placed in Gauteng schools for the 2025 academic year. Education MEC Matome Chiloane gave an update on the grade ...