Neil Armstrong's secret bag of moon-landing souvenirs
The astronaut's widow has given the US National Air and Space Museum a bag of hoarded knick-knacks, including the camera used to film his "one small step"
Should the UK frack for gas?
As the North Sea gas fields dry up, the UK is looking to controversial fracking to make up the shortfall
Zoologger: Insect females hell-bent on wiping out males
Female Australian spiny leaf stick insects are so keen to keep sexual partners away that they have evolved self-defence moves and an anti-aphrodisiac scent
The four main roadblocks holding up self-driving cars
Why are self-driving cars taking so long to get on the road? We reveal what's slowing them down – and how to fix it
Rise in shark attacks does not mean more sharks
Australian beaches have been closed following a spate of shark sightings and fatal attacks. But shark numbers are not to blame
Elemental risk: Securing the raw stuff of modern life
Your phone, TV and light bulbs would be duds without a host of hard-to-find elements you've probably never heard of. Should you be worried?
Genome reveals three more species of Darwin's finches
The iconic birds from the Galapagos islands may be more diverse than they look, a genome study suggests
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