Mysterious element promethium finally reveals its chemical properties
The highly unstable radioactive element promethium is hard to study in the lab, but chemists have now coaxed it into forming a compound in water so th
Category: news
DNA nanobots can exponentially self-replicate
Tiny machines made from strands of DNA can build copies of themselves, leading to exponential replication. Similar devices could one day be used to cr
Do artificial sweeteners cause cancer and are there other concerns?
Fresh concerns have been raised over the potential for the sweetener aspartame to cause liver cancer
Tonight is your best chance to see Mercury in the night sky
As the smallest planet in the solar system, and the closest to the sun, Mercury is hard to spot – but 11 April offers potentially good viewing
The arid air of Death Valley may actually be a valuable water source
An innovative device extracted a small glassful of water from the air of Death Valley desert over one day
It is impossible to build a practical quantum broadcaster
A quantum broadcasting system would end up sending slightly different information to every receiver – and efforts to sidestep this problem are too ine
A vast bubble around a dying star is too big to comprehend
A red supergiant star is surrounded by a sphere of dust and gas so large there is no known explanation for what produced it
We’ve spotted auroras on Neptune for the first time
After nearly 36 years of searching, astronomers have finally confirmed Neptune has auroras, thanks to data from the James Webb Space Telescope
AI models can’t learn as they go along like humans do
After their initial training phase, AI algorithms can’t update and learn from new data, meaning tech companies have to keep training new models from s
Ultrasound can push vaccines into the body without needles
Vaccinations could be made less painful by treating skin with a vaccine-laden liquid and using ultrasound to push it into the body