Defusing dementia: Why is risk of Alzheimer's falling?
Our chances of getting dementia in old age are lower than ever – and there are ways we can all cut that risk further still
Synthetic gene helps HIV vaccine hit shape-shifting foe
An HIV vaccine that uses a synthetic gene to trigger an immune response might offer a way to protect against the virus where others have failed
Stone Age mural ups the stakes in quest for oldest map
A mural that seems to depict a volcano erupting may also be humanity's first map – but there are other drawings that could give it a run for its money
Buffalo stance: Broadside of an American icon
Five hundred years ago bison were arguably the dominant animal in North America. Now they are making a comeback from the brink of extinction
Lifelogging: Digital locker looks after your stuff
An online inventory of your belongings could help reduce insurance premiums – and let you sell things on eBay with one click
Hunting wormholes in a Soviet-era science city
New Scientist travels to Pushchino, near Moscow, to visit a bold radio astronomy project that was ditched when the Soviet Union collapsed – but is now revitalised
Hubble exploits galactic lenses for deepest view ever
The superstar space telescope is using the gravity of far-off galaxies as natural lenses to peer more deeply into space than ever before
Lifelogging: This is your life, on the record
From making us better drivers to improving the chances of getting pregnant, an explosion in tools to record our everyday lives will influence how we live
Gas blob comes late to black hole supper
A huge cloud of gas heading toward the black hole at the centre of our galaxy is getting stretched into spaghetti, but hasn't been devoured yet
Obesity epidemic becomes worldwide phenomenon
The number of obese adults in the developing world has almost quadrupled to 904 million in recent decades, overtaking the number in rich countries
Dark matter 'wind' may be warped by the sun
Streams of the mysterious stuff that makes up most of the universe's matter may be steered by the sun's gravity, altering when it shows up on Earth
Elephant shark takes record for slowest evolution
The weird-looking elephant shark has hardly changed its genome in 400 million years, making it the slowest-evolving vertebrate yet
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