Humans ‘may need more sleep in winter’, study finds
Research shows people get more deep REM sleep than in summer, and may need to adjust habits to season
The big idea: your personality is not set in stone
Think you’re stuck being scatty, or an introvert? The latest research suggests otherwise
Urgent calls for Australia-wide register of sperm donations amid concerns about ‘prolific’ donors
Experts say informal donations a ‘huge problem’ that could lead to trauma for donor-conceived people who find they have dozens of half siblings
Forget regret! How to have a happy life – according to the world’s leading expert
For 84 years, the Harvard Study of Adult Development has tracked the lives of hundreds of Americans. Now its director, Robert Waldinger, is explaining what it has taught him about health and fulfilment
Hormone shots could be used as treatment for low sex drive
Kisspeptin found to bolster sexual responses by increasing brain activity linked to arousal and attraction
Ice baths in January? Why science suggests we ditch all the self-flagellation
Many of my friends are leaping into wheelie bins full of ice cubes. I will be sticking to indulgence and easy living – and the research is on my side
How ‘love languages’ has been helping couples for 30 years
It’s a well-established therapeutic tool for allowing couples to make sense of each other, but now social media has given the idea of ‘love languages’ a real boost
Why everyday stress could be the key to a healthy old age
Research indicates that low-level stress from moderate exercise or work can enhance our cognitive and physical abilities in later life
Growing up in a different culture doesn’t mean you can’t love Christmas too
Family traditions are what you make them says Yasmina Floyer, Christmas means honouring the people dearest to you
Can’t see a thing because your glasses keep steaming up? Science to the rescue!
A light coating of gold and your spectacles could be several degrees warmer and 100% less foggy. And the same goes for your car windscreen