News

Astronomy

Mysterious ‘yellowballs’ littering the Milky Way are clusters of newborn stars

The first comprehensive analysis of the celestial specks indicates they are clusters of infant stars of various masses.

Physics

X-ray scans explain how the ‘Brazil nut effect’ works

X-ray CT scans of a box of mixed nuts explain the orientations that let large, oblong Brazil nuts rise to the top.

Space

Fast radio bursts could help solve the mystery of the universe’s expansion

Astronomers used fast radio bursts for the first time to measure the Hubble constant in hopes of ending the debate on the universe’s expansion rate.

Chemistry

A new technique could make some plastic trash compostable at home

Embedding enzymes inside biodegradable plastics makes them truly compostable, which could mitigate the plastic waste problem.