Friday , December 14 2018

Biology

Researchers Find Oldest Known Plant Virus

Scientists studying ancient corncobs found at Antelope House, an Ancestral Puebloan ruin located at Canyon de Chelly National Monument, Arizona, have discovered a 1,000-year-old virus, the oldest plant virus ever reported. The discovery is described in a paper this week in the Journal of Virology. Examining 1,000-year-old corncobs from an …

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Dracula Ants’ Mandibles are Fastest Known Animal Appendages

In a study published today in the journal Royal Society Open Science, researchers examined the kinematics and functional morphology of the Dracula ant (Mystrium camillae), who use a snap-jaw mechanism to quickly slide their mandibles across each other similar to a finger snap. The analysis revealed that Dracula ant mandibles …

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Reticulated Siren: New Salamander Species Discovered

A team of researchers has discovered a new species of salamander living in Alabama and the Panhandle region of Florida, the United States. A reticulated siren (Siren reticulata) from the waters of northwestern Florida (Okaloosa County) rests on an aquarium floor. Image credit: Pierson Hill. The newly-discovered salamander species belongs …

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Study: Giraffes Prefer to Forage with Friends

While already known that giraffes display preferred choices of companion within their social group, until now it has not been clear what drives these and whether these choices are just some, or all of the time. University of Bristol researcher Zoe Muller and her colleagues from Switzerland, Kenya, Brazil and …

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Spiny Tongues Help Cats Keep Cool, Says New Study

The cat tongue is covered in sharp, rear-facing spines called papillae, the precise function of which is a mystery. In a combined experimental and theoretical study, researchers at the Georgia Institute of Technology explored how cats groom fur using these fine structures. Dr. Noel and Dr. Hu discover structures on …

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