GoKawiil
Tech News
A preprint by palaeontologist Bryan Gee analysed over 4,200 papers describing 8,331 new extinct species published since 2000 across 13 journals. The analysis found that dinosaurs and other 'charismatic' extinct species appear disproportionately often in high-profile journals such as Science and Nature compared with specialist publications like the Journal of Vertebrate Paleontology.
Researchers analyzed nearly 30,000 MRI scans from almost 12,000 adolescents tracked over six years to chart how the brain's outer layer, the cerebral cortex, thins as sensory regions mature before areas tied to complex thought. The preprint, posted on bioRxiv on October 11 ahead of peer review, found that the pace of this maturation sequence could forecast mental-health symptoms up to four years before they appeared.
Researchers led by Jesse Poganik at Harvard University report, in a bioRxiv preprint not yet peer-reviewed, that young donor hearts age faster once placed in older recipients, while older hearts appear to become biologically younger when transplanted into younger bodies. The team reached this conclusion by grafting extra hearts between mice of different ages and analyzing DNA methylation patterns linked to cellular ageing, and note similar patterns were examined in human transplant tissue.