How old are we really? What a test can tell us about our biological age

Surviving 200 snake bites, decoding ancient scrolls and the countries ‘flourishing’

Have we got the appendix all wrong?

Is it time to try geoengineering?

The latest twist in a Canadian medical mystery

The extraordinary promise of gene editing

Your microbiome questions answered: part one

Your microbiome questions answered: part two

The incredible world of animal medicine

Into the photic zone: does a darkening ocean threaten marine life?