US stock markets recovered some of Friday's sharp losses on Monday, but other markets have fallen amid a sell-off in technology shares.In Asia, South Korea's stock market was forced to halt trading for 20 minutes, with its Kospi index shedding nearly 9% within minutes of opening.It eventually closed 8.3% lower, with Japan's Nikkei index falling 3.9% and European markets also...

According to the arXiv preprint (arXiv:2606.06889), James B. Harr III and coauthors applied non-destructive sampling to isolate and sequence mitochondrial genomes (mtGenomes) from a 14th-century manuscript, Ms. Codex 1629. The paper reports that both single-use and palimpsested folios retained sufficient mtGenomes for analysis and found no significant differences in genome coverage or depth between the two classes, per the preprint....