Why do we have sex?
Study was conducted in water fleas, a species that can reproduce both sexually and asexually.
Arctic Inuits survive the extreme cold thanks to genes from extinct species of human
Greenland Inuits have survived the cold thanks to gene variants that first emerged in Denisovans.
Violence spreads through teenagers 'like a disease' in social networks
Adolescents are more likely to commit a violent act if a friend or an acquaintance does so.
Here's how you can have a conversation in a party despite the noise
Scientists investigate how we can hear words in noisy environments - the 'cocktail party effect'.
When your spouse is an impostor: Bizarre disorder explained by science
Syndromes that cause patients to mistake loved-ones for impostors have been mapped in the brain.
Ancient Chinese medicine shows promise in the treatment of tuberculosis
Scientists have identified new compound that could reduce TB treatment duration.
CRISPR/Cas9 technique identifies five genes essential for HIV infection
The genome editing technique is progressively revolutionising medical research.
When the Sahara was a savannah 10,000 years ago, humans used pottery to cook for meals
Scientists have found the earliest direct evidence of potteries being used to cook plants 10,000 years ago.
Pregnancy changes a woman, including the structure of her brain
Reduction in grey matter volumes in areas associated with social processes may prepare women for motherhood.
Who is Bill Nye the Science Guy and when does his show air on Netflix?
The series aims to dispel scientific myths and refute anti-scientific claims.
Mysterious mummy creature in Siberia and other real-life monsters discovered in 2016
Many animals and plants in nature have strange and scary appearances.
Frustrated with your partner? Get him a gift from a brand he dislikes to feel better
To avoid conflict and vent their frustration people buy products from brands that their romantic partners like less.
Caveman toothpicks: Our ancestors were big on dental hygiene 1.2 million years ago
Analysis of ancient molar shows what kind of food our ancestors ate and how they cleaned their teeth.
Better than the 'fountain of youth' – scientists find secret to extending lifespan of mice
Scientists have found a way to safely rejuvenate the cells of adult mice and to extend their lives.
Why Palmyra was such a spectacular and unique archaeological site
The city's major monuments were destroyed by so-called Islamic State who took back the city this week.
Three-parent babies now allowed in UK following historic decision
Mitochondrial replacement therapy will help couples who risk giving birth to a baby with mitochondrial disease
How the brain can be changed to boost self-confidence
A new experiment has found a way to change people's brain activity to make them feel more confident.
Many pilots suffer from depression – and the stigma that goes with it
Suicidal thoughts and depression affect pilots making it urgent to strengthen support and fight stigma.
Denying a woman her right to abortion can take a toll on her mental health
Women who are turned away after initially seeking an abortion have more self-esteem and anxiety problems.
Is it possible to run a marathon under two hours? Nike thinks so
Nike has put together a project to make three athletes succeed in running a marathon under two hours.
What caused the 2011 mass oyster die-off in California?
The consequences of atmospheric rivers may be dramatic for wild oyster populations.
Tutankhamun's secrets, mummies and meteorite dagger – what we learnt about Ancient Egypt in 2016
Uncertainties remain about whether Nefertiti is buried with Tutankhamun but the 'Lady Sattjeni' has been found.
British Museum's 9,500-year-old Jericho skull was a man with rotting teeth and a broken nose
A micro CT scan has shed light on the bones and face of the man hiding behind the plastered skull.
This rare gold amulet was sacrificed to protect Vikings against the end of the world
The 1,500-year-old relic bears the face of the terrible god Odin, a pillar of Norse mythology.
New insights into rare obesity disorder offer fresh hopes of finding treatments
The Prader-Willi syndrome is associated with insatiable hunger and reduced growth.
More babies than ever are born with withdrawal symptoms from opioid addiction
The problem is particularly acute in rural areas of the US, with many newborns suffering the consequences.
Humans are now the biggest threats to lions in the wild
Trophy hunting and retaliatory killings are threatening wild lion populations.
All you need to know about the impressive Geminid Meteor Shower
This year, the Geminid Meteor Shower might get obstructed by the supermoon.
How 'kangaroo mothers' help tiny, premature babies survive and thrive
Kangaroo Mother Care reduces mortality among premature babies and improves their lives as adults.
Which countries are doing better when it comes to preventing and treating breast cancer?
Although breast cancer mortality rates are decreasing, the gap between many countries remains.