Today’s physics news: first spiral galaxy in early Universe stuns astronomers

Today’s physics news: first spiral galaxy in early Universe stuns astronomers, stars draw atoms closer together and more

First spiral galaxy in early Universe stuns astronomers
Astronomers have spotted the earliest known spiral galaxy, dating to just three billion years after the Big Bang
BBC

Stars draw atoms closer together
Previously unknown bonding mechanism predicted in magnetic fields of white dwarfs
Nature

Do dolphins think nonlinearly?
Complex sonar processing sees through bubbles
Physics World