Almost 50 more genes have been flagged as being linked to Alzheimer’s, along with changes in activity in crucial cells that disappear as dementia progresses

Almost 50 more genes have been flagged as being linked to Alzheimer’s, along with changes in activity in crucial cells that disappear as dementia progresses

Two companies are aiming to preserve Arctic ice by pumping water onto the sheet and letting it freeze, but only one of the trials found that this delayed melting in the summer

Two companies are aiming to preserve Arctic ice by pumping water onto the sheet and letting it freeze, but only one of the trials found that this delayed melting in the summer

There is plenty of intriguing sci-fi on offer this month, whether it’s solar-powered cities from Adrian Tchaikovsky or a strange future from M. John Harrison

There is plenty of intriguing sci-fi on offer this month, whether it’s solar-powered cities from Adrian Tchaikovsky or a strange future from M. John Harrison

Particles of light cannot be divided into smaller particles, but if you try to snip off the end of one, instead of shortening it multiplies

Particles of light cannot be divided into smaller particles, but if you try to snip off the end of one, instead of shortening it multiplies

Twin Trouble

Ryan and Craig were identical twins born in Seattle in 1961. Ryan was born before Craig, but according to their birth certificates, Craig was older than Ryan. How come?


Check Braingle.com for the answer.

According to a mathematical model of how people weigh up different outcomes, the optimal strategy is to be ambitious, but not overly so

According to a mathematical model of how people weigh up different outcomes, the optimal strategy is to be ambitious, but not overly so

Quantum Backrooms is a horror game in which the player explores eerie rooms. The twist is that the rooms have been generated by a quantum computer

Quantum Backrooms is a horror game in which the player explores eerie rooms. The twist is that the rooms have been generated by a quantum computer

We're increasingly prioritising our own needs over those of the wider community, which may be causing us to love our partners less intensely

We're increasingly prioritising our own needs over those of the wider community, which may be causing us to love our partners less intensely

Bacteria created using mirror images of natural biomolecules would pose a grave threat to life on Earth, some researchers warn, but a new study suggests they would struggle to survive in the wild

Bacteria created using mirror images of natural biomolecules would pose a grave threat to life on Earth, some researchers warn, but a new study suggests they would struggle to survive in the wild

A cancer-killing virus has stopped pancreatic tumours from growing and spreading in three people in an initial safety trial, raising hopes that it may help to beat the deadly condition

A cancer-killing virus has stopped pancreatic tumours from growing and spreading in three people in an initial safety trial, raising hopes that it may help to beat the deadly condition

Even if you’ve never bought any cryptocurrency, like columnist Karmela Padavic-Callaghan, your money may be affected by bitcoin’s fate – which is uncertain, as quantum computing advances are threatening to make the encryption protecting it useless