Tag Archive for 'Urine'

Higher cat oxytocin linked to lower owner cortisol and negative mood. Image credit: Takagi et al., doi: 10.1016/j.isci.2026.117934.

Cat Hormones and Owner Moods Appear to Move Together: Study

Oct 19, 2026 by Natali Anderson

The ‘love hormone’ oxytocin may rise and fall in tandem in cats and the people who live with them, according to a new study published in the journal...

Animals often rely on scent marks to communicate identity across time, yet how chemically dynamic signals remain individually informative is unresolved; Ichizawa et al. show that domestic cats achieve durable chemical individuality through a reservoir-buffered system based on branched-chain fatty acid. Image credit: Ichizawa et al., doi: 10.1016/j.cub.2026.07.045.

Scientists Solve Century-Old Feline Mystery

Aug 20, 2026 by News Staff

For nearly 110 years, biologists have puzzled over why domestic cats’ kidneys are packed with unusually large numbers of fat-storing structures called...

Thornton et al. investigated the solid urine of more than 20 reptile species. Image credit: Thornton et al., doi: 10.1021/jacs.5c10139.

New Research Reveals How Reptiles ‘Package Up and Pee’ Crystalline Waste

Oct 22, 2025 by News Staff

Both avian and non-avian reptiles excrete excess nitrogen in solid form — colloquially termed ‘urates’ — as an evolutionary adaptation...

Uenoyama et al. improve our understanding of the mechanism of scent marking via the spraying of urine for chemical communication in cats.

New Research Explains Why Sprayed Cat Urine Emits Pungent Odor

Apr 10, 2024 by News Staff

Spraying urine on vertical objects by raising the tail is a commonly observed functional behavior for chemical communication in felids, including domestic...

In a randomized controlled trial, a significant increase in urinary phenolic metabolites was observed in healthy young adults who consumed skin roasted peanuts and peanut butter daily for 6 months compared to those who consumed a control butter (cream without fiber or polyphenols). Image credit: Petra Pezibear.

Peanut Consumption Could Have Positive Impact on Vascular Biomarkers in Healthy Young Adults

Mar 27, 2023 by News Staff

New research from the University of Barcelona and the CIBER Fisiopatología de la Obesidad y Nutrición suggests that the urinary phenolic metabolites...

Streptococcus agalactiae (round spheres) on the surface of the bladder where they encounter urine to make their DNA. Image credit: Glen Ulett.

Streptococci Can Generate DNA using Human Urine: Study

Apr 1, 2021 by News Staff

Streptococcus agalactiae, a commensal urogenital tract bacterium and opportunistic pathogen, can produce new DNA using human urine, according to new research...