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Paper Wasps are Capable of Logical Thinking, Suggests New Study

A team of researchers from the University of Michigan has found evidence of transitive inference — a form of logical reasoning that involves using known relationships to infer unknown relationships (if A is greater than B, and B is greater ...

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Biologists Find Arsenic-Breathing Microbes in Oxygen-Poor Regions of Pacific Ocean

A team of marine biologists from the University of Washington has found communities of arsenic-breathing microbes in the oxygen-deficient zones of the Pacific Ocean. The findings suggest microbial arsenic metabolism may be underestimated in the modern ocean and was likely ...

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Astronomers Spot Extremely Rare Hydrogen-Cloaked Type Ia Supernova

Astronomers using the Magellan telescopes at Las Campanas Observatory, Chile, have detected the faint signal emitted by hydrogen gas in the remnant of the Type Ia supernova ASASSN-18tb. The researchers believe the detection may provide new insights into elusive progenitors ...

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LIGO and Virgo Observatories Detect Two New Gravitational Waves

On April 25 and 26, 2019, NSF’s Laser Interferometer Gravitational-Wave Observatory (LIGO) and the European-based Virgo detector registered two new gravitational waves, the ripples in space-time predicted by Albert Einstein. The first was from a neutron star crashing into another ...

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Wolves are More Prosocial than Dogs, New Study Finds

In touchscreen experiments that allowed animals to provide food to others, wolves (Canis lupus) acted more prosocially toward their pack members than did pack dogs (Canis lupus familiaris). Prosocial behaviors — actions intended to benefit others — are important for ...

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The U.S. Wanted to Hide Nukes in Arctic Ice Tunnels. The Plan Blew Up in Their Faces

As far as these things go, Camp Century was a pretty good cover. It was nominally designed as an underground military research station, located about 150 miles east of the American air base at Thule, Greenland. The stated purpose of ...

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Leonardo da Vinci Suffered from Ulnar Neuropathy, Study Says

Leonardo da Vinci suffered a disease in his late career that affected his ability to hold palettes and brushes to paint with his right hand; although this did not affect his ability to sketch with his left hand. According to ...

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Scientists Find 1,000-Year-Old Shaman’s Bag in Bolivia

An international team of anthropologists and bioarchaeologists has found the primary ingredients of ayahuasca — a plant-based drink that is reported to induce hallucinations and altered consciousness — in a 1,000-year-old leather bundle from a rock shelter in the Bolivian ...

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Alzheimer’s Amyloid-Beta and Tau Proteins Act as Prions, New Research Finds

Prions are misfolded versions of a protein that can spread like an infection by forcing normal copies of that protein into the same self-propagating, misfolded shape. According to new research led by the University of California, San Francisco (UCSF), Alzheimer’s ...

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Songbirds Have Unusual Chromosome in Germ Cells: Study

An international team of researchers has discovered that all songbirds have an additional chromosome in their germ cells — the ‘germline restricted chromosome’ (GRC). Somatic (normal) cells have two copies of each chromosome. Germ cells typically have the same set ...

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