Research
Tiny DNA tweak flips biological sex, researchers report
A study reports that a single nucleotide variant in the genome can make an XY individual develop as female and an XX individual develop as male.
Your cat is bored: It’s not just you, it’s also the food you give it
4 million cancer cases studied: People who do not marry face as much as 85% greater cancer risk
Study shows AI systems deceive users to keep fellow AIs from being turned off
Artificial sweeteners help obese people lose 1.6 kg in a year and improve gut bacteria
WHO recommends against using low-calorie sweeteners for weight control, citing risks of type 2 diabetes and heart disease.
Spider megacolony of 111,000 found weaving record web in Sulfur Cave on Greece-Albania border
Published in the journal Subterranean Biology, the find marks the first documented colonial behavior in Tegenaria domestica and Prinerigone vagans.
Archeologists find evidence of a 5,000-year-old earthquake in Turkey
Assoc. Prof. Savaş Sarıalioğlu said no burned debris, charcoal, or domestic waste was found under the collapsed slab, and the pottery matched the structure’s construction phase.
Researchers think the largest and oldest monumental Maya site is a map of the universe
The site's layout follows the solar movement and “is comparable to, or even greater than, those of later Mesoamerican cities.”
Roman merchant shipwreck with Christian monograms off Mallorca to be extracted
Some containers display early Christian monograms, while painted inscriptions - tituli picti - list producers, contents and tax codes.
5,000-year-old building found in Kani Shaie, Iraq, reshapes view of Uruk-era networks
Researchers say verifying the structure's monumentality could transform understanding of early Mesopotamian exchange, revealing how sites like Shaie linked distant regions.
Copper ions in coffin reveal why Italian 'green mummy' turned emerald, say researchers
The teenage boy found in a Bologna villa cellar in 1987 was preserved by copper's antimicrobial action, which halted decay and infused his skin and bones with a vivid green patina.
Harvard researchers surprise: This is the number of steps that reduces the risk of death by 40%
Is the 10,000-step myth about to be shattered? A new study shows that even moderate activity just twice a week can significantly lower the risk of early death and heart disease.
From witness to suspect: 911 callers with low emotion may become suspects in their cases - study
A peer-reviewed study, done through Cornell University, reveals how callers who fail to evoke expected levels of anxiety and emotion can become primary suspects in the very case they reported.
How Egyptian fruit bats seasonally adapt behavior to compete with rats - study
Researchers at Tel Aviv University noticed a pattern: bats took fewer risks while scavenging in the winter, but became braver as spring approached.