Tom Chivers We spend a third of our lives doing it, but take remarkably little time to think about it. How much do we really know about sleep?
Parents may be going too far in their ambition to give their child the perfect upbringing, writes Andrew Stevenson.
We like the idea of them, but can we rewire our basic human distrust of robots that look like us?
Some swear by them, others dismiss them as a waste of money. We put supplements to the test.
It seems so unfair. They don't smoke, they eat well and they exercise regularly. So why do healthy people have heart attacks?
M.J. Angel New study suggests there hasn't been much of a revolution in our sexual evolution.
Vanessa Murray An "orphan's Christmas" spent away from family can indeed be a joyous one.
Jill Stark It does not take much to succeed as a father in the modern age. Single-handedly taking your children to the park without injuring them is enough to gain the praise of strangers.
Winnie Salamon I don't know about you, but the idea of sitting in a quiet room talking about myself to a sympathetic stranger whose sole focus is me sounds like a pretty good time.
Luke Malone Emergency contraception may not be effective for women over 75 kilos.
Cosima Marriner They are the questions that would not have bothered the parents of teenagers a generation ago.
Katherine Feeney I'm about to acquire some new parents through marriage. Thankfully, mine are lovely (hi guys!).
Heart vs head
Ranjana Srivastava As any number of people involved in placing loved ones will tell you, the decision is difficult, even traumatic.
Depression is personal. No two cases are the same and not all treatments suit everyone.
Advice from a child psychologist
Having your first child can be confusing and confronting. There are ways to make things easier.
Jocelyn Noveck There was a flamboyant pop star. A legendary singer. A TV star, some supermodels, and one of the world's most powerful philanthropists.
Sandy Smith In the era of "is nothing private any more?" thousands of women are revealing their pregnancy test results live on camera and posting the videos on YouTube even before they have told their husbands,...
Matty Silver Buying condoms means that you want sex and many aren't comfortable showing it, when in our modern society it really should be as easy as buying toothpaste.
Seeing your family on a screen is a poor substitute for holding them.
Complacency has led to a resurgence of this dangerous disease.