brittsh

49 Added | 7 Magazines | 2 Likes | @brittsh | Keep up with brittsh 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 “brittsh”

Curiosity improves memory by tapping into the brain’s reward system

The brain’s dopamine reward circuitry fires up when people are curious about finding answers, making learning more effective<p>Brain scans of college students have shed light on why people learn more effectively when their curiosity is piqued than when they are bored stiff.<p>Researchers in the US found …

Thousands of undersea volcanoes revealed in new map of ocean floor

Scientists have created the highest resolution map yet of the ocean floor, revealing thousands of underwater mountains and extinct volcanoes that were previously unknown.<p>In a study published Thursday in Science, researchers say the new map is at least twice as accurate as the previous version …

Bacterial 'chatter' tells cancer cells to die - Futurity

A bacterial communication system can tell cancer cells how to act—or even to die—on command.

How Sperm Fit Big Things in Small Places

The human body is really great at packing huge things into tiny spaces. Your small intestine, for example, is twenty feet long and squeezed expertly into your gut. Your brain has something like eighty-six billion neurons (depending on which scientist you ask) jammed into 3.3 pounds of tissue. But …

Biology

A Tractor Beam Made Of Sound Waves

The device can move around centimeter-sized objects.<p>Tractor beams (short for "attractor beams," which can bring one object closer to another from a distance) are a common trope in science fiction. But could they be made in real life? Researchers made news earlier this year when they created a kind …

Physics

The Talking Germs: Deciphering Microbial Linguistics and Cognition

Language is a hallmark of higher ordered creatures. Humans have developed a highly complex process involving the organization of thousands of words, each of which comprises a meaning. Yet, we are not alone in the ability to talk to one another. Over the last few decades, researchers have shown …

Biochemistry

App Helps the Blind "See" With Their Ears

New technology allows people to perceive color and shape through music.<p><b>A woman who has been blind since birth sits at a table with a bowl of mostly green apples in front of her. When asked to find the single red one, she plucks it from the bowl without hesitation and holds it up to applause from</b> …

Hummingbird Genes Trace Existence ‘on the Extremes’

WASHINGTON — For such small creatures, hummingbirds have racked up an huge list of claims to fame.<p>They are the smallest birds and the smallest warm-blooded animals on Earth. They have the fastest heart and the fastest metabolism of any vertebrate. They are the only birds that can fly backward. And …

Birds

Electronic noses explained: in future we will be sniffing out disease

Technology is being developed to create electronic devices that will be able to 'smell' the presence of diseases such as TB<p>Electronic noses could offer a rapid and non-invasive approach to diagnosing disease. But how do they work and what could the future hold? We ask expert Dr James Covington from …

Robots Seem More Thoughtful If They Glance Away While They Talk

Maybe you can use some of these tricks to impress your next date. (Plus, talking about robots is always impressive and sexy, non?)<p>Check out this Nao robot looking at you out of the tail of its eye. Do you feel it's thinking more deeply? Many people do, apparently.<p>In a recent bit of research, …

Robotics

Researchers discover ancient virus DNA remnants necessary for pluripotency in humans

(Phys.org) —A team of Canadian and Singaporean researchers has discovered that remnants of ancient viral DNA in human DNA must be present for …

Nanoparticle Temporarily Violates the Second Law of Thermodynamics

Artistic impressions of the nanoparticle in a laser trap. (Image credits: Iñaki Gonzalez and Jan Gieseler)<p><i>In a newly published study, an</i> …

The Link Between Breasts, Cancer and Germs

No matter where you look, there is bound to be a pink ribbon. From nationally televised sports, such as the NFL and NASCAR, to the countless number of local events, raising awareness and money to find a cure is ubiquitous and for good reason. In the United States, some 300,000 cases were found last …

A long — and lean — life for mice missing just one gene

By deleting a single gene, researchers at Yale University were able to dramatically reduce fat mass in mice while expanding their lifespan by 20%. …

Nano-Tweezers Can Move Molecules With Light

Just in case you were getting bored with the world, we bring you a tiny tweezer made of light beams.<p>Scientists have created the tiniest "tweezers" known to date, which can move around objects the size of single molecules with a "bow tie" of light.<p>"To my knowledge these are the smallest tweezers …

Chemistry

Dark matter looks more and more likely after new gamma-ray analysis

Scientists describe as 'extremely interesting' new analysis that makes case for gamma rays tracing back to Wimp particles<p><i>Original story reprinted with permission from Quanta Magazine, an editorially independent division of SimonsFoundation.org whose mission is to enhance public understanding of</i> …

Diets high in meat, eggs and dairy could be as harmful to health as smoking

People under 65 who eat a lot of meat, eggs and dairy are four times as likely to die from cancer or diabetes, study suggests<p>A diet rich in meat, eggs, milk and cheese could be as harmful to health as smoking, according to a controversial study into the impact of protein consumption on …

When Dinosaurs Came in Color

It’s probably hard to believe, but there was a time, not that long ago, when scientists thought dinosaurs were extinct. No, seriously! That was …

After Genetic Tweaks, Fruit Flies Glow When They Sense Cancer

The genetically engineered _Drosophila melanogaster _can even signal for different types of breast cancer cells.<p>Fruit flies are able to distinguish breast cancer cells from healthy mammary tissue, according to a new study. The humble fly joins dogs and honeybees as members of the animal kingdom …

Biology

WATCH: Scientists Suspend Objects in Midair with Sound Waves

No smoke, no mirrors, just sound was all scientists needed to levitate objects in midair.<p>NPR reports that researchers at the University of Tokyo have …

Can A Fruit Fly Help Explain Autism?

For President Obama, 2013 wasn't just the year of Obamacare. It was also the year of the brain.<p>In April, Obama announced his Brain Research through Advancing Innovative Neurotechnologies (BRAIN) Initiative — an effort to unlock "the mystery of the three pounds of matter that sits between our …

Probiotics treat autism-like symptoms in mice - Futurity

A new study with mice offers the first evidence that changes in gut bacteria can influence autism-like behaviors.

Poverty saps mental capacity to deal with complex tasks, say scientists

Study suggests being preoccupied with money problems is equivalent to loss of 13 IQ points or losing a night's sleep<p>Poor people spend so much mental energy on the immediate problems of paying bills and cutting costs that they are left with less capacity to deal with other complex but important …

Getting Heart Surgery? Wait For The Full Moon

Surgeries during a waning full moon have lower mortality rates and shorter hospital stays, according to a new study.<p>It sounds a bit like an old wives tale, but if you're in the market for a cardiac surgery, you may want to keep a watchful eye on the moon.<p>A recent study at Rhode Island Hospital …

Don’t miss this photo of Phobos

ESA’s Mars Express spacecraft captured this photo of Phobos – the larger of Mars two moons – orbiting in front of its planet.<p>Phobos and Deimos – <i>Fear</i> …

Hubble telescope discovers alien 'deep blue' planet

The heavens are home to an alien world that shines a deep cobalt blue in a solar system far, far away from our own.<p>Astronomers used the ageing Hubble …

Blue-colored planet that rains glass uncovered by NASA's Hubble space telescope

Earth is often referred to as the "blue planet," or "pale blue dot," due of course to the abundance of liquid water on its surface (about 70 percent is covered by water). But now astronomers have found another blue planet, and on this world, instead of water, it likely rains glass — and sideways at …

The ambitious effort to detect ripples in space

A phenomenon so elusive that one team has to carry out an ambitious mission to prove their even more ambitious mission could possibly work.<p>“Right now, your body is being stretched and squeezed.” So Harry Ward from the University of Glasgow tells me as I try to get my head round the head-scratching …

Physics