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What’s hot on NewScientist.com

ASTRONOMY

Visions of the night sky Star trails and horse heads are among sights captured by stargazers vying for the title of Astronomy Photographer of the Year. View a selection in our gallery

HEALTH

Hospitals: the home of future technology Computer-brain interfaces and eye tracking may still be far from everyday use, but they are finding early applications in hospitals. Find out more in New Scientist‘s online “Innovation” column

SPACE

Why future astronauts may be sent to “gravity holes” A task force reviewing NASA’s plans for space flight is mulling the possibility of missions to the gravitational “sweet spots” called Lagrange points

STEM CELLS

One-gene method makes safer human stem cells The goal of treating diseases such as Parkinson’s using cells generated from a patient’s own body has come a step closer with the finding that human nerve cells can be reprogrammed back to an embryo-like state using just one gene – which reduces the risk of the cells becoming cancerous

CONSERVATION

Mammals headed for trouble What will happen to polar bears if we start to build towns in the deep Arctic? Or to tiger populations if India’s grasslands turn to desert? A conservation database that assesses the vulnerability of mammals to extinction predicts their fate

ENVIRONMENT

“Climate Wizard” takes America’s temperature, state by state Environmental NGO The Nature Conservancy has developed an interactive map that you can use to explore how temperatures will change in each of the 50 US states over the next century