Scientists from Greece and the UK have used slime moulds to help look back to a period from the 1st century BC to the 4th century AD when Roman roads were being built in the Balkans.
Swarming is the spontaneous organised motion of a large number of individuals. It is observed at all scales, from bacterial colonies, slime moulds and groups of insects to shoals of fish, flocks of birds and animal herds. ...
Once upon a time all cells were solitary, going about the everyday business of life on their own.
(PhysOrg.com) -- Organisms are genetically programmed to cheat the system and have to be policed to stop them putting their needs ahead of society and thus threatening its survival, say scientists.