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Aug 19 • 4 tweets • 3 min read
An incredible view of biological research has won the Alzheimer's Society's new competition, with a photo by Charlie Arber at @ucl that shows a group of "blue" stem cells as they start to turn into "green" brain cell

#WorldPhotographyDay2022

newscientist.com/article/mg2553… “Bed of Rosettes” shows a g...
The aim of Spotlight on Dementia is to challenge researchers to showcase their work as they explore the disease

This image by Zeinab Abdi at @ucl shows donated microglia, a form of immune cell, from a person with Alzheimer’s donated microglia cells fro...
This photo is an artistic commentary by Rachel Allen at @UniWestScotland on how dementia in younger people can lead to them being “frozen out” of their careers artistic commentary by Rach...
Kirsten Williamson at @unisouthampton submitted this photo emphasising the resemblance of tree branches and a network of tau proteins, which malfunction in Alzheimer’s disease Kirsten Williamson, Univers...

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More from @newscientist

New Scientist Profile picture
Aug 19
Did you know that, just as there are many human languages, there is more than one type of number system?
newscientist.com/article/0-octo…
Most of us deal with only the familiar number line that begins 1, 2, 3

But other, more exotic systems are available Shutterstock/R.Classen
Take the square root of -1, known as i. There is no meaningful answer to this expression, as both 1 × 1 and -1 × -1 are equal to 1, so i is an “imaginary number”
newscientist.com/article/mg2212…
Read 11 tweets
New Scientist Profile picture
Aug 18
Protons are at the heart of every atom, but we still don’t fully understand what's in them

You might remember from school that they contain three tiny particles: two up quarks and one down quark

But new research has found they contain a charm quark too

newscientist.com/article/233407…
In the 1960s, physicists began smashing protons together to try and find out what was inside

They quickly learnt that, for most of the time, there were three small particles: two up quarks and one down

But there was also data that didn’t quite make sense
newscientist.com/article/mg2263… Studio Tonne
In 1980, at an experiment at the European Muon Collaboration at CERN in Switzerland, data hinted that the proton might also contain a charm quark and its antimatter equivalent, an anticharm

But the result was imprecise and inconclusive, so the issue was never fully resolved...
Read 11 tweets
New Scientist Profile picture
Aug 17
The stuff we flush down our toilet contains a treasure trove of information about our health and lifestyle. The secrets of our sewers are currently helping prevent the spread of polio and monkeypox, but what else can it reveal about our lives?
newscientist.com/article/0-the-…
There’s more water moving in and out of a city any day than there is any kind of cargo. And the water that leaves has some traces of almost every human activity that’s going on in the city Sewage can be used to track...
This waste water contains the whispered biochemical confessions of millions of people

By listening to them, scientists can paint detailed pictures of our health, wealth and environment, head off epidemics and track pandemics What kinds of information a...
Read 12 tweets
New Scientist Profile picture
Aug 17
Curiosity Mars rover gets 50 per cent speed boost from software update newscientist.com/article/233298…
Mark Maimone at @NASAJPL in California, who works on the rover driving team, says the update will bring Curiosity nearer to the speed of its younger cousin, the Perseverance rover

newscientist.com/article/230210… A selfie of the Perseverance Mars rover NASA/JPL-Caltech/MS
The updated software will allow Curiosity to take images of its surroundings while stationary, but then check its prior resting position as it travels. Tests show that it would enable a speed of 83.2 metres an hour An artist’s impression of the Curiosity rover on Mars NAS
Read 6 tweets
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Aug 15
Did you know that a handful of bizarre, mind-blowing figures reveal the universe’s greatest secrets?

newscientist.com/article/mg2553…
One of these numbers is 0.0000000000000001. If you scaled a human down by this amount, they would be a million times smaller than the width of an atom and 10 times smaller than a proton Dominguez, Daniel/CERN Arti...
This tiny figure expresses a ratio between what we see and what our best theories predict. Because when we study it, the mass of the Higgs boson is 0.0000000000000001 times the mass we expect it to be Christian Gralingen
Read 9 tweets
New Scientist Profile picture
Aug 5
Much of the world’s first writing, carved into clay tablets, remains undeciphered

Now artificial intelligence is helping us to decode the lost secrets of the world’s oldest writing system, cuneiform

newscientist.com/article/mg2553…
Though this system of writing was deciphered 165 years ago, the majority of texts that use it have never been translated – a fiendishly complicated task that relies on the few experts that can understand it fluently, such as Irving Finkel @britishmuseum Bjørn Christian Tørrissen /...
The story of cuneiform begins around 6000 years ago in Mesopotamia

The people that lived there spoke a language called Sumerian, and we have an incredible record of their lives because, as far we know, this is where writing originated A wall relief of King Ashur...
Read 10 tweets

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