HealthFirst world war dysentery bug was penicillin-resistant A dysentery bug called Shigella that killed a soldier in 1915 was resistant to penicillin 13 years before the antibiotic was discovered News
LifeThoroughly modern humans interbred with Neanderthals The oldest genome from a modern human reveals that modern humans with modern behaviour interbred with Neanderthals as they spread into Eurasia News