Ageism makes older adults with HIV more vulnerable to stigma
Discrimination negatively impacts the mental health of older HIV patients.
Most people would rather die than see their reputations tarnished
In lab experiments, people are also willing to touch disgusting worms to protect their honour.
Family of 4-billion-year-old asteroids reveal secrets of the early solar system
Found between Mars and Jupiter, it's nearly as old as the solar system.
PrEP: NHS England to roll out life-saving HIV preventive treatment from September
This will be one of the largest PrEP trials ever conducted.
Rare plant not seen in America since dinosaurs walked the Earth discovered
The last record of the plant on the western side of the Atlantic was a 66 million years old fossil in Argentina.
How corpse-eating insects could help solve murder mysteries
Forensic entomology has become well known with the spread of TV shows dealing with criminal investigations.
Scientists have identified three types of smile - can you tell which is which?
Reward, affiliation or dominance...
Mediterranean diet reduces risk of heart disease but only for the rich and educated
People with lower socioeconomic status have less choice in the kind of products they purchase.
Chronic fatigue syndrome is a real disease driven by inflammation
Immune system signalling proteins have been identified as playing a role in the development of the condition.
Siberian rocks reveal what caused the most catastrophic mass extinction the world has ever faced
Heat released during volcanic rock formation led to large-scale global warming and to the 'Great Dying'.
Scientists have just designed a new tool to diagnose Alzheimer's disease earlier
About 44 million people worldwide have dementia.
Ketamine can help treat depression - but scientists are wary of long-term risks
Common side effects include headaches, dizziness and high blood pressure.
Drinking alcohol 3 to 4 days a week reduces risk of diabetes more than abstaining
Moderate alcohol consumption had already been tied to a lower risk of diabetes.
Ancient Iberians resisted Steppe invasions better than the rest of Europe 6,000 years ago
Steppe migrations played a minor role in shaping the Iberian population and culture, ancient DNA suggests.
Sugary diets increase risk of depression and anxiety for men
Consuming less sugar could be beneficial for people's mental health.
Bizarre new glow-in-the-dark shark with huge nose discovered deep below the sea
The species is a member of the Lanternshark family.
'Only the Big Bang was bigger' – catastrophic explosion caught in unprecedented detail
Gamma ray bursts are rare and usually very hard to observe.
Scientists analysed Donald Trump's tweets and found he is competitive, creative - and neurotic
These personality traits may explain how he went from being an entrepreneur to a politician.
Solar eclipse 2017: This will be a once in a lifetime chance to see the sun's corona
The corona is not usually visible with the naked eye but during a total solar eclipse you can get a glimpse.
Psychopaths are much better at learning how to lie
Do you know someone who lies but rarely gets caught?
Penis bacteria in foreskin can increase men's HIV risk by over 50%
Study may also explain why circumcision decreases the risk of HIV transmission.
Invisible dark matter pervading the universe is actually 'cold' - not 'fuzzy'
Study of luminous quasar has been proven consistent with the cold dark matter theory.
Vaginal ring to stop HIV transmissions to be given to teenage girls
There are 7,000 new infections globally each week among girls aged 15-24, the majority in Sub-Saharan Africa.
HIV breakthrough: Infected child shows no signs of the virus nine years on
Case gives hope to other children who have to take HIV drugs everyday to stay healthy.
Shark Week 2017: World's deadliest shark species to give you nightmares
Great white sharks are not the only species dangerous to humans.
'No God except Allah': Medieval grafitti by ancient pilgrims discovered in Egyptian cave
The engravings contain religious messages and will be restored by experts.
'Despair deaths' are not to blame for rising mortality rates among white Americans
The opioid crisis and obesity are more serious threats.
How a cow's immune system could hold the secret to a HIV vaccine
Studying cattle could help inform future HIV vaccine development.
This footage of two gorilla brothers hugging each other will melt your heart
Two gorillas have been captured on video cuddling during a play session.
The mysteries that still surround King Tut, Ancient Egypt's youngest pharaoh
A team of archaeologists have discovered Tutankhamun's wife tomb, but many questions still remain.