Experts doubt Google’s claim about its quantum computer’s speed
Google says that its quantum computer can solve problems 100 million times faster than ordinary computers, but its results don't stand up to scrutiny
Optimism grows for a climate deal at UN’s Paris summit
With delegates in their last week of negotiations, the deal is widely expected. But will it have what it needs to set us on path to zero emissions world?
Japanese Akatsuki probe enters Venus orbit after inspired hack
Novel use of secondary thrusters made it second time lucky for Akatsuki, which botched its original encounter with the planet in 2010
IBM to develop hardware to wipe out errors in quantum computing
Existing ways to store quantum bits are unstable, but IBM hopes to fix this with funding from the US Intelligence Advanced Research Projects Activity
Suicide is one of the biggest preventable killers of new mums
Suicide accounts for one in 10 deaths among new mothers in the UK, highlighting shortcomings in mental healthcare during and after pregnancy
Why one lake contains more than 1000 species of the same fish
The secret to the unique diversity of Lake Malawi's cichlid fish may be down to huge variations in climate and water levels over the years
Resistance to last-resort antibiotic has now spread across globe
A gene that allows bacteria to resist one of our last effective antibiotics has been found in Denmark and China, prompting a worldwide search
2015 to see the first drop in fossil fuel emissions as GDP grows
This year fossil fuel emissions may fall for the first time even as the global economy grows – but more carbon dioxide is entering the atmosphere than ever
Tiny dark matter stars would harbour particles that act as one
A certain dark matter candidate could clump into stars where it would behave like the Borg race in Star Trek – and this might make it observable
Laser camera can track hidden moving objects around corners
A high-speed camera that can pinpoint moving objects around corners could be used for search-and-rescue missions or as an early-warning system for cars
