Strange stars full of metals may be created by imploding supernovae
[ad_1] A supernova remnant in the Milky Way galaxy Chandra X-ray Observatory After a star explodes in a supernova, the remnants can reform into more
Why NASA is sending a probe to Europa – and what it’s looking for
[ad_1] Seen against the backdrop of Jupiter’s dramatic, swirling atmosphere, Europa might at first appear a bit drab. With its greyish-white surface, you might even
Intestinal parasites may reduce covid-19 vaccine effectiveness
[ad_1] Ancylostoma duodenale, or hookworm, causes one of the most common intestinal parasite infections in people globally Kateryna Kon/Shutterstock Covid-19 vaccines may be less effective
This antimatter version of an atomic nucleus is the heaviest yet
[ad_1] Composite image of the Relativistic Heavy Ion Collider in New York and the particle tracks it detects Joe Rubino and Jen Abramowitz/Brookhaven National Laboratory
The 1.5°C target is dead, but climate action needn’t be
[ad_1] AP Photo/Francois Mori, File/Alamy As the COP26 climate negotiations were taking place in Glasgow, UK, in November 2021, a new slogan entered the lexicon:
Quantum trick lets you cool objects down using nothing at all
[ad_1] Lasers can have a cooling effect in quantum experiments Mike_shots/Shutterstock In the strange world of quantum mechanics, nothing isn’t ever actually nothing — and
AI models can’t learn as they go along like humans do
[ad_1] AI programs quickly lose the ability to learn anything new Jiefeng Jiang/iStockphoto/Getty Images The algorithms that underpin artificial intelligence systems like ChatGPT can’t learn
Long covid causes very different symptoms in children versus teenagers
[ad_1] Long covid’s effects seem to vary according to a person’s age damircudic/Getty Images Long covid symptoms appear to differ substantially between younger children and
Astronomers might finally have explanation for mysterious Wow! signal
[ad_1] The Arecibo telescope in Puerto Rico detected radio signals similar to the Wow! signal NAIC/Arecibo Observatory/NSF An unexplained radio signal detected in 1977 known
When did life on Earth begin? Surprisingly early in our planet’s history
[ad_1] The oldest known piece of Earth? A 4.4 billion-year-old zircon John Valley, University of Wisconsin-Madison Until recently, many discounted the idea that life could