HealthLab-grown sperm could let infertile men have gene-edited children The first reliable way of isolating and growing sperm stem cells could lead to new fertility treatments, including correcting mutations that block sperm production News
HealthWhy hasn't the UK seen a second wave of the coronavirus? Scientists have repeatedly warned of a second surge of covid-19 infections as restrictions ease in the UK, but it hasn’t happened – were they wrong or is it still to come? News