More from Mairi Macleod
Explore the latest news, articles and features
Humans
Rules of attraction: 10 biggest love myths exploded
Features
Humans
Population paradox: Why richer people have fewer kids
Features
Environment
Monogamy evolved to keep baby-killers away
News
Humans
Eau de BO: The allure of sweat
Features
Earth
Ecotourists increase anxiety and stress in macaques
News
Life
Kindergarten co-op: How babysitting made us brainy
Features
Health
Die young, live fast: The evolution of an underclass
Features
Humans
To be the best, learn from the rest
Features
Humans
The dizzying diversity of human sexual strategies
Features
Earth
Female chimps can resort to infanticide
News
Stressed female chimps kill rivals’ young
News
Health
Why are girls growing up so fast?
Features