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New model for the way humans localize sounds

Man listening (stock image). Credit: © pathdoc / Adobe Stock One of the enduring puzzles of hearing loss is the decline in a person's ability to determine where a sound originates, a key survival faculty that allows animals -- from lizards to humans -- to pinpoint the location of danger, prey and group members. In…

Microbes harvest electrons: Novel process discovered

Bacteria illustration (stock image). Credit: © Kateryna_Kon / Adobe Stock Ever since scientists discovered that certain microbes can get their energy from electrical charges, researchers have wondered how they do it. Bacteria don't have mouths, so they need another way to bring their fuel into their bodies. New research from Washington University in St. Louis…

New data on the evolution of plants and origin of species

The history and evolution of plants can be traced back by about one billion years. Credit: Copyright Michele Hogan There are over 500,000 plant species in the world today. They all evolved from a common ancestor. How this leap in biodiversity happened is still unclear. In the upcoming issue of Nature, an international team of…

New data on the evolution of plants and origin of species

The history and evolution of plants can be traced back by about one billion years. Credit: Copyright Michele Hogan There are over 500,000 plant species in the world today. They all evolved from a common ancestor. How this leap in biodiversity happened is still unclear. In the upcoming issue of Nature, an international team of…

Gimme six! Researchers discover aye-aye’s extra finger

Aye-aye (stock image). Credit: © javarman / Adobe Stock The world's weirdest little primate has gotten even weirder, thanks to the discovery of a tiny extra digit. A study led by researchers from North Carolina State University has found that aye-ayes possess small "pseudothumbs" -- complete with their own fingerprints -- that may help them…

Lifestyle is a threat to gut bacteria: Ötzi proves it, study...

Intestinal bacteria illustration (stock image). Credit: © nobeastsofierce / Adobe Stock The intestinal microbiome is a delicate ecosystem made up of billions and billions of microorganisms, bacteria in particular, that support our immune system, protect us from viruses and pathogens, and help us absorb nutrients and produce energy. The industrialization process in Western countries had…

In a first, scientists pinpoint neural activity’s role in human longevity

Roundworm Caenorhabditis elegans (stock image). Credit: © heitipaves / Adobe Stock The brain's neural activity -- long implicated in disorders ranging from dementia to epilepsy -- also plays a role in human aging and life span, according to research led by scientists in the Blavatnik Institute at Harvard Medical School. The study, published Oct. 16…

Scientists find early humans moved through Mediterranean earlier than believed

Map of Greek islands in the Aegean Sea showing Naxos in the center (stock image). Credit: © lesniewski / Adobe Stock An international research team led by scientists from McMaster University has unearthed new evidence in Greece proving that the island of Naxos was inhabited by Neanderthals and earlier humans at least 200,000 years ago,…

Prehistoric humans ate bone marrow like canned soup 400,000 years ago

Illustration of prehistoric human with animal skeleton (stock image). Credit: © Kovalenko I / Adobe Stock Tel Aviv University researchers, in collaboration with scholars from Spain, have uncovered evidence of the storage and delayed consumption of animal bone marrow at Qesem Cave near Tel Aviv, the site of many major discoveries from the late Lower…

Prehistoric humans ate bone marrow like canned soup 400,000 years ago

Illustration of prehistoric human with animal skeleton (stock image). Credit: © Kovalenko I / Adobe Stock Tel Aviv University researchers, in collaboration with scholars from Spain, have uncovered evidence of the storage and delayed consumption of animal bone marrow at Qesem Cave near Tel Aviv, the site of many major discoveries from the late Lower…

Prehistoric humans ate bone marrow like canned soup 400,000 years ago

Illustration of prehistoric human with animal skeleton (stock image). Credit: © Kovalenko I / Adobe Stock Tel Aviv University researchers, in collaboration with scholars from Spain, have uncovered evidence of the storage and delayed consumption of animal bone marrow at Qesem Cave near Tel Aviv, the site of many major discoveries from the late Lower…

CRISPRed fruit flies mimic monarch butterfly, and could make you vomit

Monarch butterfly (stock image). Credit: © leekris / Adobe Stock The fruit flies in Noah Whiteman's lab may be hazardous to your health. Whiteman and his University of California, Berkeley, colleagues have turned perfectly palatable fruit flies -- palatable, at least, to frogs and birds -- into potentially poisonous prey that may cause anything that…

Brave new world: Simple changes in intensity of weather events ‘could...

Palm trees in heavy weather (stock image). Credit: © behindlens / Adobe Stock Hurricane Dorian is the latest example of a frightening trend. Extreme weather events are becoming more frequent, more severe and more widespread as a consequence of climate change. New research from Washington University in St. Louis provides important new insights into how…

Molecular basis of vision revealed

Closeup of eye (stock image). Credit: © BillionPhotos.com / Adobe Stock Researchers have solved the three-dimensional structure of a protein complex involved in vertebrate vision at atomic resolution, a finding that has broad implications for our understanding of biological signaling processes and the design of over a third of the drugs on the market today.…

Fruit flies live longer with combination drug treatment

Fruit flies in laboratory (stock image). Credit: © Andrei / Adobe Stock A triple drug combination has been used to extend the lifespan of fruit flies by 48% in a new study led by UCL and the Max Planck Institute for Biology of Ageing. The three drugs are all already in use as medical treatments:…

Fruit flies live longer with combination drug treatment

Fruit flies in laboratory (stock image). Credit: © Andrei / Adobe Stock A triple drug combination has been used to extend the lifespan of fruit flies by 48% in a new study led by UCL and the Max Planck Institute for Biology of Ageing. The three drugs are all already in use as medical treatments:…

Machu Picchu: Ancient Incan sanctuary intentionally built on faults

Machu Picchu, Peru (stock image). Credit: © amadeustx / Adobe Stock The ancient Incan sanctuary of Machu Picchu is considered one of humanity's greatest architectural achievements. Built in a remote Andean setting atop a narrow ridge high above a precipitous river canyon, the site is renowned for its perfect integration with the spectacular landscape. But…

Genetically tailored instruction improves songbird learning

Finch (stock image). Credit: © Colette / Adobe Stock Some recent research suggests that educational achievement can be predicted based on differences in our genes. But does this really mean that genes set limits on an individual's academic potential? Or do these findings just reflect how standardized educational systems reward certain inborn learning styles and…

The enigma of Bronze Age tin

Illustration of Bronze Age jewelry and vessels (stock image). Credit: © Juulijs / Adobe Stock The origin of the tin used in the Bronze Age has long been one of the greatest enigmas in archaeological research. Now researchers from Heidelberg University and the Curt Engelhorn Centre for Archaeometry in Mannheim have solved part of the…

The enigma of Bronze Age tin

Illustration of Bronze Age jewelry and vessels (stock image). Credit: © Juulijs / Adobe Stock The origin of the tin used in the Bronze Age has long been one of the greatest enigmas in archaeological research. Now researchers from Heidelberg University and the Curt Engelhorn Centre for Archaeometry in Mannheim have solved part of the…

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