They say babies should only sleep in them temporarily, with cots and Moses baskets thought to be safer.
Women whose left index and ring fingers are different lengths are more likely to be lesbians, a study suggests.
Doctors say Lacey's recovery is remarkable and defies the odds - and she should live a normal life.
The aim is to make replacement organs and tissues for humans, after successful early trials in mice.
15 sayings from around the world