Monthly Archives: November 2018

Dogs know when they don't know

Researchers at the DogStudies lab at the Max Planck Institute for the Science of Human History have shown that dogs possess some "metacognitive" abilities -- specifically, they are aware of when they do not have enough information to solve a problem and will actively seek more information, similarly to primates. To investigate this, the researchers...

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Move over Rover: There's a new sniffing powerhouse in the neighborhood

Some animals have a superpower in their sense of smell. They explore, interpret and understand their world with such sensitivity that people have enlisted canines to help solve crime and detect cancer on the breath. Scientists at the Georgia Institute of Technology are now homing in on the secrets behind animals' super sniffers to develop...

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Prototype of robot dog nose

Every day, thousands of trained K9 dogs sniff out narcotics, explosives and missing people across the United States. These dogs are invaluable for security, but they're also very expensive and they can get tired.

Duke researchers have taken the first steps toward building an artificial "robot nose" device made from living mouse cells that officers could...

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Geneticist solves long-standing finch beak mystery

Bridgett vonHoldt is best known for her work with dogs and wolves, so she was surprised when a bird biologist pulled her aside and said, "I really think you can help me solve this problem." So she turned to a mystery he'd been wrestling with for more than 20 years.

"I love a good challenge and...

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Eleven seal species narrowly escaped extinction

Their fur was used as a raw material for coats; their fat was used for oil lamps and cosmetics: right up to the end of the nineteenth century, millions of seals were being hunted and killed every year worldwide. The consequences of this episode of commercial hunting for today's seal populations is the subject of...

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Predatory behavior of Florida's skull-collecting ant

"Add 'skull-collecting ant' to the list of strange creatures in Florida," says Adrian Smith a scientist at the North Carolina Museum of Natural Sciences and North Carolina State University. His new research describes the behavioral and chemical strategies of a Florida ant, Formica archboldi, that decorates its nest with the dismembered body parts of other...

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