Jonathas Carvalho

91 Flips | 3 Magazines | 8 Likes | 1 Following | @ShotgunMcSp6344 | Keep up with Jonathas Carvalho on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Jonathas Carvalho”

Petri dish ‘tournament’ backs up diversity theory

Weaker organisms can prevail against stronger ones—if they’re superior in number, experiments show. This acts as a driving mechanism in the …

Biology

The unseen women scientists behind Tim Hunt’s Nobel prize

This week, Professor Tim Hunt shocked the scientific community, and pretty much everyone else, with his outrageous comments about his “trouble with girls” and his backwards endorsement of gender-segregated laboratories, which are apparently needed because women are impossibly attracted to him. …

Nobel Prize

Study Proves It: Dogs Don't Like People Who Are Mean to Their Owners

How loyal are dogs to their owners? So loyal that if they see someone snubbing the owner, they're likely to snub that someone in return. That's the upshot of an unusual experiment in canine cognition, conducted by Japanese researchers.<p>The results will be published in the journal Animal Behaviour, …

How Ancient Spiders Weaponized An Arachnid Version of Insulin

Venom contains powerful and highly targeted neurotoxins, allowing spiders, snakes and other predators to immobilize their prey and make for an easier meal. In many snakes, venom jump-starts the digestive process along with keeping the predator safe from a wriggling, often larger quarry.<p>Spider venom …

Bespoke diets based on gut microbes could help beat disease and obesity

Early trial showed use of computer algorithm to produce diet tailored to a person’s unique biological make-up had benefits for pre-diabetic subjects<p>Scientists have created bespoke diets using a computer algorithm that learns how individual bodies respond to different foods.<p>Researchers believe the …

LightSail Team Declares Solar Sail Success as Mission Nears Its End

The team members behind the LightSail experimental solar sail spacecraft say that they've accomplished their mission and are counting down to the satellite's fiery, fatal plunge through the atmosphere this weekend.<p>"I am so excited because this mission is a success," Bill Nye the Science Guy, chief …

New test uses a single drop of blood to reveal entire history of viral infections

Immunology,Science,Medical research,Biochemistry and molecular biology,Aids and HIV,Hepatitis C,Biology<p>Cheap and rapid test allows doctors to access list of every virus that has infected or continues to infect a patient, and could transform disease detection<p>Researchers have developed a cheap and …

Researchers have grown a partially functioning rat limb in a lab

A researcher at Massachusetts General Hospital has successfully grown the world's first biolimb, <i>The Washington Post</i> reports. It's a rat's forearm and hand, and it looks a little smaller than an adult human's thumb. Researchers are hopeful this could be the first step toward growing fully functional …

New Test Can Find Just About Every Virus You Ever Caught

A new blood test can find just about every virus you ever caught — in a single drop of blood.<p>It’s not just an interesting historical record — doctors hope the test might be used to find out whether viruses might cause a range of chronic diseases such as diabetes or heart disease, and to see whether …

The Microbe That Invaded Caribbean Coral Reefs

Think of giant pythons from southeast Asia, ending up in the Florida everglades and suffocating any small mammal they could find. Think of cane toads from South America, relentlessly marching over Australia, swallowing bird eggs and native frogs. Think of rats from pretty much any mainland country, …

Biology

The Big Bang Theory creates scholarship to help future scientists

The hit TV comedy about scientists has launched a $4 million scholarship for low-income university STEM students<p>Fans of the long-running science comedy The Big Bang Theory, about a group of high-flying academics with complicated personal lives, can now aim for an academic scholarship in its …

Stephen Hawking

Hot Senators shut out Rangers | Reuters

Hot Senators shut out Rangers<p>NEW YORK — After the Ottawa Senators continued their amazing push toward the playoffs with a 3-0 victory against the New York Rangers at Madison Square Garden on Thursday night, center Kyle Turris stood in front of his locker following his postgame media session.<p>Checked …

ISIS Wants a Truce

In the new edition of its magazine, ISIS floats the idea of a truce. Is the group flagging—or is this just another trick?<p>After months of being …

Study finds gorilla origins in half of human AIDS virus lineages | Reuters

WASHINGTON (Reuters) - Revealing new details about the origins of AIDS, scientists said on Monday half the lineages of the main type of human immunodeficiency virus, HIV-1, originated in gorillas in Cameroon before infecting people, probably via bushmeat hunting.<p>Two gorillas are pictured in their …

From the archive, 3 March 1915: Pasteur serum for gangrene

<b>Paris, Tuesday.</b><p>A serum, for which remarkable efficacy is claimed, both as a preventive and curative of gaseous gangrene, has been discovered by M.Weinberg, a member of the staff of the Pasteur Institute. Dr. Roux, president of that institution, in announcing the discovery to the Academy of …

Harvard prevention trial studies tau, Alzheimer's other protein | Reuters

CHICAGO (Reuters) - Alzheimer’s researchers at Harvard for the first time are scanning the brains of healthy patients for the presence of a hallmark protein called tau, which forms toxic tangles of nerve fibers associated with the fatal disease.<p>The new scans are part of a large clinical trial …

Why odd numbers are dodgy, evens are good, and 7 is everyone's favourite

Think of the number 7. Do you like it? Do you love it? Do you remain unmoved?<p>You may think these are frivolous questions, but when I launched an online survey asking people to submit their favourite numbers – and explain the reasons why – almost 4,000 people declared a devotion to 7.<p>"[It] cheers me …

5 Bar Tricks You Can Do With Science

Courtesy of Tim Shaw, whose television show launches tonight<p>As Kurt Vonnegut wrote in his classic <i>Cat's Cradle</i>, "science is magic that works." The same can be applied to these seemingly magical bar tricks, which are not really tricks but based in simple physics and science. They were shown to me by …

Microbe adds methane where permafrost warms up

Scientists have discovered a methane-releasing microbe that thrives where permafrost thaws out.<p>Known as a “methanogen,” the microorganism was …

Global Warming

Robot Suits Could Make An MMA League Blood-Free

Which, you know, good.<p>Have you ever watched a mixed martial arts bout and thought, _This could use weapons, and also Iron Man. _Congratulations, crazy person with the imagination of a small child: Unified Weapons Master has you covered, and the results are actually blood-free.<p>A series of …

World Aids Day: how Aids activists changed medical research

Outbreaks of epidemic diseases, especially diseases that appear to be new, can seriously affect the organisation of human societies – bubonic plague forced changes in social organisation and agriculture in Europe, while diseases such as smallpox, carried by Europeans, devastated many indigenous …

Michael Neuberger obituary

The molecular biologist Michael Neuberger's research into antibodies did much to increase our understanding of how the body defends itself against microbes – single-cell organisms including viruses and bacteria. His own death at the age of 59 came, by sad coincidence, from myeloma, a cancer of the …

Burnout is the consequence of a broken way of work

It’s the time of the year where we can start to feel overly stressed by the demands of work, family, and community. But for some of us, the stress at …

The more inept you are the smarter you think you are

Psychologists have shown humans are poor judges of their own abilities, from sense of humour to grammar. Those worst at it are the worst judges of all.<p>You're pretty smart right? Clever, and funny too. Of course you are, just like me. But wouldn't it be terrible if we were mistaken? Psychologists …

Psychology

Arm-like structures squeeze early embryo

In an early mammalian embryo, just eight-cells large, the roundish cells do something they haven’t done before—something that determines whether the …

filopodia

Neutrophils: A better way to diagnosis meningitis?

Abnormalities in two particular types of white blood cells called neutrophils may be key to more accurate and earlier diagnosis of deadly bacterial …

Medicine

Ring of fire: why our military's toxic burn pits are making soldiers sick

One<p>At the height of the war in Iraq, US forces operated out of 505 bases scattered across the country. Joint Base Balad, a 15-square-mile outpost north of Baghdad, was the second largest. Home to 36,000 military personnel and contractors at its peak, the base was considered a vital hub for …