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 杏吧原创鈥榮 online 鈥淚nnovation鈥� column
SPACE
Why future astronauts may be sent to 鈥済ravity holes鈥� A task force reviewing NASA鈥檚 plans for space flight is mulling the possibility of missions to the gravitational 鈥渟weet spots鈥� called Lagrange points
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STEM CELLS
One-gene method makes safer human stem cells The goal of treating diseases such as Parkinson鈥檚 using cells generated from a patient鈥檚 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 鈥� 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鈥檚 grasslands turn to desert? A conservation database that assesses the vulnerability of mammals to extinction predicts their fate
ENVIRONMENT
鈥淐limate Wizard鈥� takes America鈥檚 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