Opinion split over ‘on demand’ drug that reduces risk of HIV
Antiviral drug Truvada is at the heart of a debate over its potential for protecting people who engage in sex without using condoms
Hundreds of giant dinosaur footprints found in Scottish lagoon
A huge collection of 170-million-year-old sauropod footprints has been discovered by accident in a lagoon on the Isle of Skye
Why has Peter Sutcliffe been in Broadmoor for so long?
Doctors have recommended that the "Yorkshire Ripper", serial killer Peter Sutcliffe, should be transferred to a specialist prison unit – but why now?
Hey Siri, how do we make virtual assistants more trustworthy?
AI assistants often leave us cold and reflect tedious cultural stereotypes, but insights from psychology can help them become much more appealing
Paris climate summit: What they don’t tell you about renewables
Renewable energy is getting cheaper, but is the switch to these sources happening fast enough for us to drop fossil fuels and limit warming to safe levels?
Having trouble giving up smoking? Blame your genes
A third of white people have gene variations that make it harder for them to quit cigarettes, and may predispose them to other addictive behaviours
Critical Paris climate summit kicks off – but can it deliver?
Given that current pledges will bring us to 2.7 °C of warming, the wording and legal basis of any agreement will be crucial sticking points
We have a duty to use my gene-editing technology responsibly
CRISPR gene editing is a cheap, fast and accurate way of doing genetics. Society must now decide how to use it, says co-discoverer Emmanuelle Charpentier
Scans prove there’s no such thing as a ‘male’ or ‘female’ brain
Most people have a mix of male and female features in their brain, suggesting a person's cognitive skills can't be predicted by gender alone
Chinese satellite to shine a light on mysterious dark matter
Shadowy hints of dark matter's true nature are set to be boosted by a new particle and gamma-ray detector being launched into orbit
