Can Cats See in the Dark? The Science of Feline Night Vision
Cats see in 6x dimmer light than humans using a 135-fold dilating pupil, rod-dense retina, and tapetum lucidum mirror — but total darkness defeats even feline eyes.
Can Cats See Red? What Science Says About Feline Color Vision
Cats cannot see red — their dichromatic vision with a 505nm neutral point renders red as gray or muddy brown, an evolutionary trade-off that gave cats 6x better night vision than humans.
Why Do Cats Caterwaul at Night? Causes and Solutions
Caterwauling maps to six biological triggers — hormonal mating calls, cognitive dysfunction, pain, territorial disputes, separation anxiety, and learned behavior. Diagnose by your cat's age and status.
Why Is My Cat Meowing So Much? The Science of Excessive Vocalization
Excessive meowing signals medical issues, cognitive decline, environmental stress, or learned behavior. Learn the four diagnostic categories and when to see a vet.
Why Is My Cat Breathing Fast? Normal Rates and Warning Signs
A healthy cat at rest breathes 15-30 times per minute. Rapid breathing above 30 bpm during sleep may indicate heart disease, asthma, or other conditions requiring veterinary attention.
Why Is My Cat Drooling? 7 Causes from Happy to Harmful
Cat drooling signals either contentment or a health concern requiring attention. Unlike dogs who commonly drool, cats rarely drool without reason. Learn when drooling is normal and when it's an emergency.
Why Does My Cat Lick Me? The Science Behind Feline Grooming
Cats lick humans as social grooming behavior. Research shows 91.6% of cat grooming is one-directional, with higher-ranking cats grooming subordinates to signal trust and group membership.
When Do Kittens Open Their Eyes? Day-by-Day Development Guide
Kittens open their eyes between 7-14 days after birth. Learn the day-by-day timeline, why vision stays blurry for weeks, and when to worry about delayed eye opening.
Your Cat Isn't a Psychopath: What Science Actually Says About Feline Behavior
The 2021 CAT-Tri+ study mislabeled normal feline behaviors as psychopathic traits. Here's what the science actually shows about cat personality.
GLP-1 for Cats: OKV-119, the MEOW-1 Trial, and What Science Actually Says
Can cats take Ozempic? Learn about the OKV-119 implant for feline obesity, the MEOW-1 clinical trial, and evidence-based strategies to help your cat today.
Every Cat Body Language Signal Explained: The Science of Feline Communication
Cat body language uses ears, eyes, tail, and posture as a multi-channel system. Learn to read the 'Whole Cat' with the CatCog 5-Point Signal Check for accurate interpretation.
Cat Life Stages Explained: The 6 Ages from Kitten to Senior
The 6 cat life stages are: Kitten (0-6 months), Junior (7 months-2 years), Prime (3-6 years), Mature (7-10 years), Senior (11-14 years), and Super-Senior (15+). A one-year-old cat equals 15 human years; a two-year-old equals 24 human years.