HealthThere are two types of worrier - which you are depends on genes The genomes of half a million people reveal that there are two kinds of worrier, providing new clues about how genes help form our personalities 51¶¯Âþ
HumansPeople with big brains have a different brain structure too If you have a large brain, certain regions are much bigger than expected and others are smaller – but we don’t know how this affects brain function yet 51¶¯Âþ