News

Astronomy

Stellar vomiting produces dark galaxies, simulations suggest

Dark galaxies might owe their existence to multiple rounds of prolific star birth and death that eject gas and stretch out their homes, new simulations suggest.

Neuroscience

Gut microbe mix may spark Parkinson’s

Parkinson’s disease symptoms might be driven by gut microbes

Physics

Despite lack of free electrons, bismuth superconducts

Bismuth conducts electricity with no resistance at temperatures near absolute zero, despite lack of mobile electrons.

Chemistry

Enzyme forges carbon-silicon bonds with a little human help

A few tweaks to an enzyme help it link carbon to silicon — a match not found in nature.