nature Magazine -June 22, 2023 issue: 00:45 Why losing the Y chromosome makes bladder cancer more aggressive; How pollution particles ferry influenza virus deep into the lungs, and why artificial lights could dazzle glow worms into extinction.

Laos cave fossils prompt rethink of
human migration map

A skull fragment and shin bone suggest that early modern humans might have passed through southeast Asia earlier than thought.

Researchers laboriously sifted through clay, bucket by bucket, using their fingers to hunt for bone fragments