Research Highlights

Selections from the scientific literature by Nature's news team

  • Volume 578
  • Issue 7795
Visualisation of quark structure of gold.

A gold atom’s nucleus (pictured, artist’s impression) has been observed executing an unusual type of spinning motion. Credit: ARSCIMED/SPL

Atomic and molecular physics

Rarer than gold: wobbling gold

Scientists catch their first glimpse of an intricate type of nuclear movement.
Artistic reconstruction of N. Acreensis (by Márcio L. Castro).

The now-extinct Neoepiblema acreensis (artist’s impression) is one of the largest rodents ever to have lived in South America, but its brain was minuscule for its size. Credit: J. D. Ferreira et al./Biol. Lett. (CC BY 4.0)

Palaeontology

Giant extinct rodent was all brawn and little brain

A South American rodent had the heft of a Saint Bernard dog — and a brain the weight of a golf ball.
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