LifeBeing popular is good for health - in monkeys, at least Life at the bottom of the social ladder can be damaging to health – but now a study in rhesus monkeys shows that health can improve in tandem with social standing 51¶¯Âþ
TechnologyRobot surgeon can slice eyes finely enough to remove cataracts The Axsis robot can manage the fine movements needed for cataract surgery. Its makers hope it will cut complications, and find uses in other parts of the body 51¶¯Âþ