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benefícios da suplementação do probióticos

Cancer and heart disease contagious? It’s possible, through the microbiome, researchers argue

Ed Cara | 
It’s a science lesson you probably learned in grade school: You can only catch certain illnesses, like the flu, from ...
homo erectus fire

Extinct human ancestor Homo erectus evolved in Africa—not Asia—new fossil study suggests

George Dvorsky | 
Homo erectus reached the Indonesian island of Java at some point between 1.3 million to 1.5 million years ago, according ...
amish attacks

Genetic mutation blamed for mysterious heart condition killing young members of Amish community

Ed Cara | 
[D]octors at the Mayo Clinic say they’ve uncovered the cause of a mysterious heart condition that had suddenly killed over ...
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Rapid-diagnosing AI makes brain cancer operations ‘safer and more effective than ever before’

George Dvorsky | 
Expert human pathologists typically require around 30 minutes to diagnose brain tumors from tissue samples extracted during surgery. A new ...
mj exercise linked to rise in sperm count

Another benefit of regular exercise— ‘agile, fast-moving sperm’

Ed Cara | 
Regular physical activity can keep a man’s sperm in tip-top shape, a new study suggests. The research was published [December 20] in ...
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Plant-based ‘Impossible Sausage’ set to debut

Adam Clark Estes | 
Impossible Foods just announced a new product: pork. And thanks to the new fake pork, there’s also sausage. It’s not ...
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Prehistoric ‘chewing gum’ contains Neolithic girl’s DNA, allowing scientists to reconstruct her face

George Dvorsky | 
Scientists in Denmark have squeaked out an entire human genome from a prehistoric piece of “chewing gum.” Made from birch ...
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Mind games: Do placebos have a place in modern medicine?

Ed Cara | 
Doctors in Australia commonly give their patients a placebo treatment intended mainly to ease their minds, according to a new ...
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First chimeric part-monkey piglets born in China

George Dvorsky | 
Scientists in China created piglets whose organs contained some monkey cells. The piglets all died within a week, illustrating the challenges ...
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Does ‘brain plasticity’ explain why these people can still smell, despite not having olfactory bulbs?

Ed Cara | 
Doctors there say they’ve found people who can smell just as well as anyone else, despite missing the key area ...
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9 significant archaeological discoveries of the past decade, including a Neanderthal-Denisovan hybrid

George Dvorsky | 
Here’s a look back at some of the most significant archaeological and anthropological discoveries of the past decade that fundamentally ...
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Humans originated in Botswana? New research challenged for using ‘weak and inconclusive genetic analysis’

George Dvorsky | 
A new paper claiming that modern humans originated in northern Botswana some 200,000 years ago is being criticized by experts, ...
neanderthal fire rainbow by zdenek burian

Humans ‘are not so special after all’: Neanderthals also knew how to start fires, evidence suggests

George Dvorsky | 
At some point, our ancestors harnessed the power of the flame to keep warm, cook food, produce new materials, shoo ...
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Inherited Neanderthal, Denisovan DNA may help with our metabolism, immunity and diet

George Dvorsky | 
Neanderthals and Denisovans went extinct some 35,000 to 40,000 years ago, but not before these closely related hominins interbred with ...
mini brains

Tiny, lab-grown brains allow researchers to explore what makes humans different

Ryan Mandelbaum | 
Researchers are growing human, ape, and monkey brain tissue in the lab in order to understand what makes us different ...
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‘Holy grail of medicine’: Experimental drug promises to stop flu in its tracks—if it works in humans

Ed Cara | 
We might be inching closer to a holy grail of medicine: an incredibly effective flu-killing drug that the virus can’t ...
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‘Unexpected’ marriage practices, slavery, social inequality revealed in analysis of Bronze Age remains

George Dvorsky | 
A fascinating new study chronicles the family histories of European Bronze Age households, revealing the presence of surprising marital practices, ...
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Two copies of a gene from only a single parent—This ‘genetic quirk’ may not be as rare as we thought

Ed Cara | 
A supposedly rare genetic quirk might be more common than we think, according to new research out [October 10]. The ...
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Channeling our ‘inner salamander’: Research suggests humans have ability to repair overworked cartilage

George Dvorsky | 
Our bodies have retained the capacity to repair injured or overworked cartilage in our joints, says new research published [October 9] in ...
mars

Would the discovery of life on Mars be ‘world-shaking’?

George Dvorsky | 
In a recent interview with the Telegraph, NASA chief scientist Jim Green said it’s possible we’ll soon find evidence of life on ...
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Animals enhanced with human brain cells—and robust levels of consciousness—create new ethical dilemmas

George Dvorsky | 
Neuroscientist Isaac Chen from the Perelman School of Medicine at the University of Pennsylvania, along with his colleagues, has written ...
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Evolution in motion: Before birth, human fetuses develop—and then lose—lizard-like body parts

Ed Cara | 
The evolutionary journey of any species is littered with detours and dead-ends. Humans, for instance, have vestigial body parts that ...
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From hominids to animals: Who lived in Siberia’s famous Denisova Cave?

George Dvorsky | 
For thousands of years, Siberia’s Denisova Cave was home to various bands of Neanderthals, Denisovans, and modern humans. But as ...
west nile mosquito exlarge

Something new to worry about: Mosquito-borne brain-infecting EEE virus may be fueled by warming climate

Ed Cara | 
Health officials in several states [have] reported more cases and deaths linked to the Eastern Equine Encephalitis (EEE) virus. The ...
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We haven’t found a Denisovan skull yet. But thanks to genetic analysis, we can predict what their faces looked like

George Dvorsky | 
A pinky finger bone, some teeth, and a lower jaw. That’s all the physical evidence we have of the mysterious ...
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Promising immunotherapy drug to treat peanut allergies may be approved although 10% of study subjects had serious side effects

Ed Cara | 
On [September 13], a panel of experts assembled by the Food and Drug Administration voted that the agency should approve a drug ...
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‘Especially deadly’ mosquito-spread virus kills 3 Americans so far this year

Ed Cara | 
Rhode Island health officials reported that a resident had died after contracting the Eastern equine encephalitis (EEE) virus. The death marks the ...
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Left-handed? Genes link handedness to language facility but also schizophrenia and anorexia

Ryan Mandelbaum | 
Despite its ubiquity to the human experience, there are lots of unresolved questions related to handedness, such as how lefty ...