Science & ClimateScienceDaily1 min read9/20/2026 (4h ago)

Scientists discover a hidden “ID card” in cat urine

Scientists discover a hidden “ID card” in cat urine
60-Word AI Digest

Cats may identify one another through a surprisingly durable chemical “calling card” made from 13 unusual fatty acids in their urine. The compounds appear linked to mysterious fat droplets in the kidneys and may represent a scent-recognition system shared across the cat family.

Key Takeaways

  • Cats may identify one another through a surprisingly durable chemical “calling card” made from 13 unusual fatty acids in their urine.
  • The compounds appear linked to mysterious fat droplets in the kidneys and may represent a scent-recognition system shared across the cat family.
  • Full details and original dispatch available below.

Cats may identify one another through a surprisingly durable chemical “calling card” made from 13 unusual fatty acids in their urine. The compounds appear linked to mysterious fat droplets in the kidneys and may represent a scent-recognition system shared across the cat family.

Original Publisher Attribution

This summary was curated from ScienceDaily.

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Scientists discover a hidden “ID card” in cat urine — Loop60