LifeSmall is beautiful: Why a synthetic minimal genome is a big deal Engineering a bacterium that thrives with the smallest feasible string of genes is no vanity project and could have important uses, says Richard Kitney Opinion
LifeThe enigmatic whale we can hear – but have never seen The unique, unanswered call that echoes off California's shores speaks of the world's loneliest whale – Whale 52. But maybe he has a more urgent problem Features