BBC Inside Science

What are leap seconds? And why are they being abolished?

Since 1972, leap seconds have been added to clock time whenever our slightly wobbly Earth falls out of sync with atomic …

Probiotic cuts risk of respiratory infections in formula-fed babies

Babies who are formula fed are more prone to infections, but the addition of a probiotic supplement containing sugars fr…

Time’s up for the leap second as scientists swap it for the leap hour

Delegates from 69 countries approve clock changeover after decades of debate – but switch may not take effect for thousa…