Nanoparticles: small but deadly… to cancer.
New research could into nanoparticles could help deliver drugs straight to the site of tumours and make them more effective when they get there.
Public anxiety and legal protections currently pose a major challenge to anyone wanting to introduce eye-scanning security technologies.
A Thai vessel provides supplies to Rohingya migrants on an abandoned boat.
Why have south east Asian countries abandoned scores of migrants to drift in the sea?
African cities are growing fast - and there are many reasons to be excited about this rapid urban development.
Children’s labour entails both benefits and harm that should be assessed at the local level.
A more enlightened approach to child labour would listen to what children say about work, balance work and school, and enhance the flexibility and quality of schooling to cater for working children.
Despite increases in education attainment, the educated youth in sub-Saharan Africa find that there are no jobs suited to their levels of education.
School enrolment rates in sub-Saharan Africa have increased markedly in recent years, but it is failing its newly educated young by not creating jobs commensurate with their education.
Most of the migrants desperately crossing the Mediterranean from Africa are refugees.
The migration of early Africans into the Middle East, then across the Mediterranean into Europe and Asia – and eventually into the Americas and Australia and the Pacific Islands – is the origin of today’s humanity.
Who will you be at the ballot box?
Shutterstock face swap
Voting strategically to keep your least preferred option out is a big trend for 2015. Here's how it works.
Don’t turn around.
Lewis Whyld/PA Wire
Ed Miliband says Labour did not overspend when it was last in office. He's right.
In Monopol-e-Commerce, who plays the hat, and who gets the boot?
Legal moves against Google are a major step, with implications that will stretch across the industry.
Serious co-ordination effort is needed.
The long-feared earthquake arrives in the middle of post-conflict reconstruction and a seven-year wait for a new constitution.
Childhood bullying is linked to social anxiety disorder, depression and body dysmorphic disorder.
New research suggests bullied children are more likely to report mental health problems compared to those who are maltreated.
Two Australians will soon be killed at a prison on the Indonesian island of Nusakambangan – for no deterrent effect.
Joko Widodo argues that Indonesia needs to execute drug offenders like Andrew Chan and Myuran Sukumaran to deter others, but he can produce no evidence to support this claim.
There are an estimated 9m displaced people in Syria alone.
EPA/Alessandro Di Meo
This is not about people smuggling, it's about a displacement crisis of unprecedented proportions.
Will the real Grant Shapps please stand up?
Conservative chairman Grant Shapps is accused of sockpuppetry on Wikipedia, but this former Wikipedia admin isn't so sure the evidence stands up.
Foodbank volunteers have their hands full with demand on the rise.
Andrew Matthews/PA Wire
Research into the rise of food banks and their usage shows they are entirely linked to demand and not supply.
Too much of a squeeze?
The SNP's Nicola Sturgeon says austerity has held the economy back. Is she right?
If sexual orientation is not static, where does that leave ‘Born This Way?’
Current conversion therapies can't effectively switch someone's sexual orientation. But there could be a time down the road when neuroscience can do what they can't. Where does that leave gay rights?
Is Nick Clegg ready for his close up?
Dominic Lipinski/PA Wire
The experts assess whether the claims in the Liberal Democrats' manifesto align with the evidence.
Dominic Lipinski /PA Wire
The Liberal Democrats' commitment to austerity will help cut the deficit, but likely come at the expense of growth.