An artist’s impression of the space junk orbiting EarthMark Garlick/Science Photo Library/Alamy The rising threat of space junk should be tackled by a new global agreement to safeguard Earth’s orbit, say a group of researchers who are calling for the...
The skull of a saber-toothed tiger (Smilodon)Steve Morton Predators have evolved sabre teeth many times during the history of life – and we now have a better idea why these teeth develop as they do. Sabre teeth have very specific...
GunaiKurnai Elder Uncle Russell Mullett on the balcony of Cloggs CaveJessica Shapiro A recent discovery in Cloggs cave, Australia, revealed something extraordinary about humanity’s relationship with time. Several metres into the limestone grotto, archaeologists working with the Gunaikurnai Land and...
Crosswords may be mathematically uniqueDchadwick/Getty Images As you fill out a crossword, it can abruptly shift from fiendishly difficult to extremely simple. This is similar to the way some physical systems undergo a phase transition – but compared to them,...
An intelligent approach? Feedback’s ears always prick up when we see a publication with a self-aggrandising title. So we latched with interest onto a social media post by Rebecca Sear, a demographer at Brunel University London, who noted that publisher...
The division between light and dark over the north pole of Mercury, viewed from the BepiColombo spacecraftESA/BepiColombo/MTM These pictures of Mercury’s pockmarked surface are the last we’ll see before the BepiColombo mission begins orbiting the solar system’s innermost world in...
Changing diapers is a fact of life for new parentsIan Allenden / Alamy Stock Photo Parents aren’t easily disgusted, but only once their child has started eating solids. The level of disgust that parents experience seems to change over time,...
David: You talk about new leaders. Katie, you wanna jump in here?Katie Steger: Thanks, David. Yeah, I do.I think Diane is so much the reason why I ever was connected to any of you and why many of us were...
January 9, 20253 min readHere’s Why Bad Sleep and Toxic Thoughts Go Hand-in-Hand Findings reveal the memory-related brain processes that generate unwanted thoughts when people are sleep deprivedBy Rachel Nuwer edited by Gary Stix Imagine you are attending a friend’s...
Next month, world leaders will gather in Paris for the AI Action Summit, the latest in a series of high-profile international events on artificial intelligence. Previous ones have brought together heads of state, senior policy-makers and CEOs of tech companies...
