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ZME Science publishes daily news and features about the latest research in science and technology.
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News
The Chemistry of a Very Good Boy: Can a Simple Saliva Test Predict a Dog’s Personality?
7+ mon, 1+ week ago (735+ words) Your dog’s saliva might reveal if they are destined for police work or the couch. Now, researchers are suggesting we bypass the human element entirely and go straight to the source code: the dog’s biology. A new study published today…...
A Dog Once Sniffed Cancer in the Husband. Years Later, it Saved the Wife too
6+ mon, 1+ day ago (1049+ words) Most people notice when their dog behaves strangely. Few would imagine that such behavior might point to cancer. Does cancer have a smell? Scientists have been exploring this idea for the last two decades, but for Chase Johnson, a 36-year-old…...
Growing Up With a Dog Might Literally Change Your Microbiome and Boost Your Mental Health
9+ mon, 1+ week ago (667+ words) Dogs may boost mental health by subtly reshaping the microbes in our bodies. “Adolescent children who keep dogs exhibit higher mental well-being, and we also found that dog ownership alters the gut microbiota,” Takefumi Kikusui, one of the study authors…...
How Fearsome Wolves Became Loyal Dogs — and Changed Human History Forever
8+ mon, 2+ week ago (605+ words) Long before dogs were pets, they were partners, protectors, and family. From Nordic lullabies to Grimm’s fairytales, the wolf has always haunted the edges of human history. Even today, wolves would represent a serious danger to nomads and herders, who…...
People Think They Understand Their Dogs’ Feelings but Scientists Say We’re 'Barking up the Wrong Tree"
9+ mon, 1+ week ago (750+ words) New study shows humans rely on context, not canine cues, when judging their dogs’ emotions — and we’re getting it wrong most of the time. It’s a scene every dog owner knows: you scold your pup, she lowers her head, eyes…...
Almost Every Dog on Earth Still Has a Bit of Wolf Inside -- Even Chihuahuas
9+ mon, 1+ week ago (677+ words) Most dogs today have traces of wolf DNA that shaped their size, senses, and behavior. When scientists compared the DNA of thousands of dogs and wolves, they found the two species were not as separate as once thought. Nearly every…...
Cats Recognize Each Other by Pee Like a Chemical ID and the Secret May Be Hidden in Their Kidneys
3+ week, 2+ day ago (677+ words) Rare fatty acids in kidney fat droplets may help cats recognize who left a scent. A cat that sprays a wall may be doing more than declaring ownership (and stinking up the whole place). It may be leaving behind the…...
Horses Can Literally Smell Our Fear—and They React to It
7+ mon, 3+ week ago (529+ words) Horses can detect fear in humans from their sweat alone. A new study suggests that horses can perceive human fear without seeing or hearing a person, relying instead on subtle chemical cues carried by scent. In experiments published in PLOS…...
Dogs Who Eavesdrop: A Few "Gifted" Canines Can Learn New Toy Names Just by Overhearing
8+ mon, 16+ hour ago (654+ words) A rare group of dogs learned new toy labels by listening in on their owners’ talk. A recent study reports that your dog may not just hear you talking. In a few rare cases, they may actually learn from it....
“Ball Junkies”: Some Dogs Show Addiction-Like Fixation on Their Toys
11+ mon, 3+ day ago (943+ words) Some dogs may crave their favorite toy much like humans crave gambling or gaming. A Belgian Malinois stares at a tennis ball on a shelf. For three minutes, it whines, paces, and glances back at the door where it last…...