Smart glasses translate video into sound to help the blind see
A video feed encoded as sound can be intuitively understood by blind people for navigation, exploiting the way we unconsciously integrate sensory information
Leading theory of consciousness rocked by oddball study
Scientist show that widespread activity occurs in the brain even during unconscious processing – which shouldn't happen if our theories of consciousness are correct
Bright light may not be dark matter’s smoking gun after all
Dwarf galaxy observations dash astronomers' hopes that the signal at the centre of the Milky Way was caused by dark matter particles colliding
Salt flats on Europa mean moon’s ocean may come to surface
Jupiter's icy moon is a favourite of alien-hunters, thanks to its buried ocean. Now it seems the ocean could come to the surface - and it might be life friendly
Vitamin supplements could save critically endangered kakapo
The fate of the world's heaviest parrot depends on a berry from an unreliable tree. Now conservationists have finally come up a replacement
60 Seconds
China's baby change, sex changes in yews, the International Space Station and more
Losing sense of smell could be linked to poor health
Lacking an immune system means it's a struggle to recognise certain smells – if you're a mouse. And it could be to stop you sniffing out danger
NASA debates where to land on Mars – but are we ready to go?
Last week the space agency held its first meeting about where to land humans on Mars, but such a mission still has decades of technological hurdles to overcome
Molten metal storms rage on orphan planet that lost its star
Variations in the brightness of a planet drifting alone in space could come from clouds of molten metal passing in and out of view as it spins
Confusion reigns over mid-air break up of Russian flight 7K9268
Flight recorder of the plane that crashed in Egypt killing 224 people has yet to be analysed, but a tracking website may have captured its last moments
