Gene variant found in centenarians appears to slow the ageing process
31 January 2022
A rare variant of the SIRT6 gene increases DNA repair in human cells, and learning its effects could help to develop anti-ageing drugs
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Premium
Giant pandas more likely to reject cubs after artificial insemination
28 January 2022
Conservationists have used artificial insemination to help increase giant panda populations, but figures from decades of births show that panda mothers are less likely to care for cubs born this way
What you need to know about the fast-spreading BA.2 omicron variant
28 January 2022
The BA.2 variant of omicron seems to be taking over in many places, but it isn't expected to cause yet another wave of cases around the world
We may now know why Uranus and Neptune are different shades of blue
28 January 2022
Uranus is pale blue in colour while Neptune is a deeper shade of blue, and an atmospheric model can explain the difference
Don’t Look Up: Could we save Earth from a comet in just six months?
28 January 2022
Astrophysicists calculate that we could use nuclear devices to stop a “planet killer” from colliding with Earth in a scenario like the one in the film
We 'click' better with others when conversations flow more quickly
28 January 2022
The more quickly people respond to each other during a conversation, the more likely they are to feel in sync
Migrating birds may use slope of Earth’s magnetic field as ‘stop sign’
27 January 2022
Eurasian reed warblers migrate to sub-Saharan Africa each year – and they seem to use the slope of Earth’s magnetic field to judge when they have reached their European breeding grounds
Hibernating ground squirrels recycle urine to maintain their muscles
27 January 2022
Hibernating animals find it hard to get the nitrogen they need to maintain muscles – but ground squirrels have gut microbes that can break down urea to free up the nitrogen it contains
What does Google's new cookie replacement mean for online privacy?
27 January 2022
Google has a new plan to replace cookies, the files that track us when we browse the internet, but it is controversial with advertisers and privacy campaigners
Whiteflies have acquired dozens of genes from plants they eat
27 January 2022
A major crop pest has 50 genes that appear to originate from plants, and it might use them to detoxify plants’ chemical defences
