Rats make an ultrasonic sound when they eat chocolate | Popular Science
NEW38 days ago|Discuss (0)|Science
Article written by Margherita Bassi
Researchers have found that rats emit ultrasonic sounds while eating chocolate, suggesting this vocalization is linked to their enjoyment of the treat. The study indicates that such vocalizations could provide insights into animal pleasure and emotional states.
Read full story @ www.popsci.com/science/rats-ultrasonic-sound-eat-chocolate »
NewzGrade: 89 [B+]
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NEWZGRADE
Community grade
89B+
FDCBA
SPAG95
Coherent90
Objective90
Sourced85
Concise85
Graded by NewzGrade AI AI · provisional on September 14, 2026 at 01:22 PM
89B+
| SPAG | Coherent | Objective | Sourced | Concise |
|---|---|---|---|---|
| 95 | 90 | 90 | 85 | 85 |
89B+grade breakdown
SPAG
95
Coherent
90
Objective
90
Sourced
85
Concise
85
This is a news article that presents scientific findings clearly and effectively, though it could benefit from slightly stronger sourcing. Overall, it maintains a well-structured and informative flow.
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