Jonathas Carvalho

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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, …

Pets

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 …

The unseen women scientists behind Tim Hunt’s Nobel prize

With the announcement of Tim Hunt’s resignation from UCL comes an opportunity to reflect on the women in science who were part of his success<p>This week, Professor Tim Hunt shocked the scientific community, and pretty much everyone else, with his outrageous comments about his “trouble with girls” and …

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 …

Space Travel

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

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 rapid test that reveals a person’s full history of viral infections from a single drop of blood.<p>The test …

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 …

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 …

Breakthroughs

New Test Can Find Just About Every Virus You Ever Caught

Breaking News Emails<p>Get breaking news alerts and special reports. The news and stories that matter, delivered weekday mornings.<p>SUBSCRIBE<p>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 …

Public Health

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 …

Hot Senators shut out Rangers

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 …

Kyle Turris

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 …

Middle East

Study finds gorilla origins in half of human AIDS virus lineages

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>HIV-1, which causes AIDS, is …

Public Health

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

A discovery by the Pasteur Institute offers hope for sufferers of gangrene<p>27 January 1926: New vaccines for tetanus and diptheria<p><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 …

Dementia

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

What's your lucky number? An online survey threw up a hot favourite: people find 7 clever, cheery, divine. And our reactions to numbers shine a fascinating light on how our brains work, especially in the oh-so-superstitious far east<p>Think of the number 7. Do you like it? Do you love it? Do you …

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 - Futurity

Scientists have discovered a new, methane-releasing microbe that lives where permafrost is thawing out.

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

As well as having a direct and traumatic effect on people and communities, HIV/Aids has also changed the way we run clinical trials<p>Outbreaks of epidemic diseases, especially diseases that appear to be new, can seriously affect the organisation of human societies – bubonic plague forced changes in …

Michael Neuberger obituary

Biochemist who discovered how antibodies are greatly improved<p>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 …

Burnout is the consequence of a broken way of work

Advertisement<p>0 Comments<p>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 …

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 - Futurity

Experiments offer new insight into how cells organize and form an early mammalian embryo.

Prenatal Development

Neutrophils: A better way to diagnosis meningitis? - Futurity

Looking for abnormalities in two types of white blood cells called neutrophils could help diagnosis of bacterial meningococcal.

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 …