Today on New Scientist: 26 April 2012

Early galaxies are strangely stuffed with stars

Some of the most distant galaxies in the universe contain three times more stars than astronomers expected

Zoologger: The ant that dives into digestive juices

While most ants struggle to swim, one species dives head first into a pool of digestive juices that is designed to kill it. Why?

Rich suffer as well as the poor in unequal society

Large wealth gaps create greater social ills, which have a negative effect on the people at the top as well as the bottom

Clean up the cloud: making data storage greener

With an ever-increasing demand for cloud services, firms are working to keep down carbon emissions from data centres

Life-extending properties of buckyballs questioned

Scepticism is raised over a study that suggests an unusual form of carbon can extend the lifespan of rats

What do dementia patients experience?

Melanie Wilson's new performance, Autobiographer, captures the experience of dementia

Cyberspace keeps the stars shining brighter

We might all be famous now, but social media means mega-celebrities are bigger than ever

China is taking control of Asia's water tower

The country's engineers are daming or diverting the five great rivers that flow out of Tibet and into neighbouring countries

Poor little rich minds: The price of wealth

Psychologists now have evidence that money breeds greed and kills empathy. Knowing how could help solve social ills, says Michael Bond

Snowballs caught crashing into Saturn's weirdest ring

See the first video of sparkling mini-jets on one of Saturn's most distant rings

How to defuse sub-Saharan Africa's population bomb

The fate of global population growth rests largely on the fortunes of Africa. It's not too late to ensure a stable future, says Eliya Zulu

Brain may not be hard wired to link numbers and space

Our ability to map numbers onto a physical space - such as along a line - must be learned

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