Referential alarm calls increase vigilance in brood parasite hosts

Yellow warblers are hosts to brood parasitic brown-headed cowbirds, which rely on other species to raise their offspring. Warblers use referential "seet" calls to warn female warblers specifically of the brood parasitic brown-headed ...

Scientists model Saturn's interior

New Johns Hopkins University simulations offer an intriguing look into Saturn's interior, suggesting that a thick layer of helium rain influences the planet's magnetic field.

Scientists see chemical short-range order in medium-entropy alloy

Chinese scientists have made direct observations of face-centered cubic VCoNi (medium)-entropy alloys (MEA) and for the first time proposed a convincing identification of subnanoscale chemical short-range order (CSRO). This ...

Cold molecular clouds as cosmic ray detectors

The ionization of the neutral gas in an interstellar molecular cloud plays a key role in the cloud's evolution, helping to regulate the heating and cooling processes, the chemistry and molecule formation, and coupling the ...

Crystallization clarified, researchers report

Researchers from the University of Illinois at Urbana-Champaign and Northwestern University have made it possible to observe and simulate the self-assembly of crystalline materials at a much higher resolution than before.

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