Monthly Archives: June 2018

Fish's use of electricity might shed light on human illnesses

Deep in the night in muddy African rivers, a fish uses electrical charges to sense the world around it and communicate with other members of its species. Signaling in electrical spurts that last only a few tenths of a thousandth of a second allows the fish to navigate without letting predators know it is there....

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A mechanism behind choosing alcohol over healthy rewards is found

The study links molecular changes in the brain to behaviours that are central in addiction, such as choosing a drug over alternative rewards. The researchers have developed a method in which rats learn to get an alcohol solution by pressing a lever. In order to better capture how addiction makes the individual choose alcohol over...

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Cross-species prion adaptation depends on prion replication environment

A hamster prion that replicated under conditions of low RNA levels in mouse brain material resulted in altered disease features when readapted and transmitted back to hamsters, according to new research presented in PLOS Pathogens by Elizaveta Katorcha of the University of Maryland School of Medicine, Baltimore, and colleagues.

Prions are abnormal proteins that can induce...

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Six new species of goblin spiders named after famous goblins and brownies

Fictional characters originally 'described' by famous English children's writer Enid Blyton have given their names to six new species of minute goblin spiders discovered in the diminishing forests of Sri Lanka.

The goblins Bom, Snooky and Tumpy and the brownies Chippy, Snippy and Tiggy made their way from the pages of: "The Goblins Looking-Glass" (1947), "Billy's...

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How do horses read human emotional cues?

Scientists demonstrated for the first time that horses integrate human facial expressions and voice tones to perceive human emotion, regardless of whether the person is familiar or not.

Recent studies showed the herd-forming animal possesses high communication capabilities, and can read the emotions of their peers through facial expressions and contact calls, or whinnies. Horses have...

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