EnvironmentModified E. coli spin fibres as tough as spider silk Bacteria with added spider genes have made molecules that can be combined to create strands that are less strong but more elastic than a spider's silk 51¶¯Âþ
HealthCelebrate your fat – it's fighting off infection As well as keeping you warm, your muffin top may ward off the bugs. A study in mice suggests that fat cells release a chemical that harms bacteria and viruses 51¶¯Âþ