arnab

40 Flips | 2 Magazines | 1 Like | 1 Following | @ghata35 | Keep up with arnab 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 “arnab”

An octopus senses light with its skin

New research shows an octopus can change skin color in response to light, without input from the eye or brain.<p>Well known for their intelligence, …

Zoology

Super Sikh: a superhero in a turban fighting injustice and ignorance

When a group of Sikh children were asked who their favourite superheroes are, the answers were barely surprising: Iron Man, Batman, Superman and the usual list of DC and Marvel old-hands.<p>But when they were asked if they knew of a Sikh comic book superhero, their response was unanimous: an emphatic …

Religion

Let's all move to Mars! The space architects shaping our future

Fifty years from now, says Brent Sherwood, there will be a different kind of honeymoon on offer. “Imagine a hotel with a view that’s changing all the time,” says the Nasa space architect, “where there are 18 sunrises and sunsets every day, where food floats effortlessly into your mouth – and where …

Space Exploration

3D printed organs come a step closer

For years, scientists have been able to “print” types of human tissue using a 3D printer, but in a significant leap forward by US and Australian researchers they can now make that tissue survive on its own.<p>Until now a major barrier to them moving from printing tiny sheets of tissue to entire 3D …

Technology bridges gap between brain and muscles for victim of paralysis

First they screwed the end of the grey cord into the metal silo rising out of Ian Burkhart's skull. Later they laid his right forearm across two foam cylinders, and they wrapped it with thin strips that looked like film from an old home-movie camera. They ran him through some practice drills, and …

Bigfoot, Yeti: Meet Science

The ultimate comeback: Bringing the dead back to life

A radical procedure that involves replacing a patient's blood with cold salt water could retrieve people from the brink of death, says David Robson.<p>“When you are at 10C, with no brain activity, no heartbeat, no blood – everyone would agree that you’re dead,” says Peter Rhee at the University of …

Medicine

Scientists Have Located the Brain's On/Off Switch for Consciousness

Every one of us loses consciousness on a daily basis: it's called sleep. But scientists have never understood which part of the brain controls when …

Cell discovery could lead to strep throat vaccine - Futurity

New understanding of how Streptococcus bacteria evade the immune system gets researchers a step closer to a safe vaccine for strep throat.

Practice Not As Important As Believed For Success

But don't use this as an excuse when you mess up at your piano recital.<p>You may have heard of the "10,000 hour rule," popularized in Malcolm Gladwell's book <i>Outliers</i>, which suggests that many people who have reached the top of their fields got there, in large part, due to practicing for 10,000 hours. …

Shrinking human genome: New study says our genes number only 19,000

How many genes does it take to make a human? Fewer than we thought. A new estimate of 19,000 is far below initial estimates of 100,000 genes.<p>No one …

The Secret History Behind The Science Of Stress

The modern idea of stress began on a rooftop in Canada, with a handful of rats freezing in the winter wind.<p>This was 1936 and by that point the owner of the rats, an endocrinologist named Hans Selye, had become expert at making rats suffer for science.<p>"He would subject them to extreme temperatures, …

Colourised X-ray photographs of flora and fauna by Arie van't Riet: In pictures - Telegraph

X-rays

Study shows restored immunity for cancer-related fungal infections

Sleeping Beauty and fungal infections – not two items one would normally associate together, but for immunocompromised cancer patients they may prove …

Globe-Trotting GMO Bananas Arrive For Their First Test In Iowa

Somewhere in Iowa, volunteers are earning $900 apiece by providing blood samples after eating bits of a banana kissed with a curious tinge of orange.<p>It's the first human trial of a banana that's been genetically engineered to contain higher levels of beta carotene, the nutrient that our body …

'Remote-control' contraceptive implant developed backed by Bill Gates

A remote-controlled contraceptive chip which is implanted under the skin has been developed with the backing of Bill Gates and would last for 16 years<p>A remote-controlled contraceptive computer chip which would be implanted under the skin has been developed with the backing of Bill Gates.<p>The chip, …

Blood test breakthrough in search for Alzheimer's cure

A blood test to detect which people with failing memories will go on to develop Alzheimer's disease has been developed by British scientists, who hope it may prove a breakthrough in the hunt for a cure.<p>After a decade's work, an international collaboration led by scientists from King's College …

The Month In Plagues: A Polio Emergency, A Tornado of Mosquitoes, And More

<b>In pathogens news</b><p>Health experts are still arguing whether or not to save the last stores of smallpox, which are in high-security labs in the US and Russia. Quartz, io9, and Nature News have stories. And speaking of smallpox, a new smallpox-like-virus emerged in Georgia (the country).<p>Polio continues …

Public Health

Monstrous rocky planet nicknamed 'Godzilla of Earths'

A giant rocky planet roughly twice the size of Earth and with nearly 20 times as much mass has been spotted in orbit around a faraway star. The planet is the first to be classed as a "mega-Earth" – an alien world that dwarfs the other rocky planets known to exist outside the solar …

Pregnancy Hormone May Reduce Multiple Sclerosis Symptoms

For decades, women with multiple sclerosis have noticed that they tend to do better while they are pregnant. That has led to an experimental drug for the disease that's based on a hormone associated with pregnancy.<p>The hormone is a form of estrogen called estriol. It's abundant in a woman's body …

Columbia University team grows human cartilage from stem cells

Perched on the end of the scientist’s green glove, the tiny oblong-shaped object looks like a small jewel. It is in fact artificially-grown human cartilage, developed from human stem cells in the laboratory for the first time.<p>Cartilage, which protects the bone ends in joints, does not have blood …

'Give up dairy products to beat cancer’

A leading scientist, who has been fighting breast cancer since 1987, says the disease is overwhelmingly linked to animal products<p>In 1993, the breast cancer that had plagued Jane Plant since 1987 returned for the fifth time. It came in the shape of a secondary tumour – a lump in her neck the size of …

Cancer

Scientists Prime The Immune System As A Powerful Cancer Weapon

Watch out, cancer cells. Humanity is learning how to use our built-in weapon – our own white blood cells – to kill you.<p>Early results showing that genetically modified white blood cells, called T-cells, can make cancer cells disappear, at least temporarily, in 50% to 90% of patients with certain …

The pliosaur which could smell like a crocodile and swallow a cow in one bite

Researchers have uncovered new details about the life of the pliosaur which roamed the earth in the Upper Jurassic era, 200 million years ago.<p>CT scans by scientists at the University of Bristol discovered that the reptile’s snout contained intricate nerve systems and it had a very keen sense of …

Out Of Old Factory, Japanese Company Sells... High-Tech Lettuce

Not your typical product from an electronics firm<p>In an empty space in its former factory in Fukushima Prefecture, Japan, electronics-maker Fujitsu is now developing an unusual product: lettuce. Grown in a clean room, the lettuce has been engineered to contain low amounts of potassium. The growing …

Aquaponics

This week’s Image Challenge is now available via the NEJM Image Challenge Facebook app. Click over to view the latest image, take the challenge, and pass it on to your friends. http://on.fb.me/J4Jeba

Are we ready for a prenatal screening test for autism?

Autism was formally described for the first time 71 years ago. The medical notes for "Case one", a 10-year-old from Mississippi, US, referred to as Donald T, describe a perplexing condition that was different from "anything reported so far". In 1943, when Donald Triplett was diagnosed, autism was …

'Chameleon' Vine Looks Like Whatever Tree It Climbs

The more you adapt, the better you survive<p>Chameleons aren’t the only species that excel at mimicry, as biology professor Ernesto Gianoli discovered in Chile’s temperate rainforests.<p>The woody vine <i>Boquila trifoliolata</i>, Boquila for short, is a climbing plant, and has the abilities to mimic the leaves …

Biology

Dino, heal thyself: Giant beast had power to shrug off bone trauma

A giant carnivorous dinosaur apparently possessed an enormous power to heal its broken bones, thanks to new findings revealed by powerful X-rays, researchers say.<p>The new findings suggest this ancient predator could shrug off massive trauma, revealing the dinosaur healed well like reptiles do than …

Subtle, Yet Sexy: How Pheromones Can Change Your Perception of Attractiveness

Have you ever found someone particularly sexy without knowing why? It could be that you are lured in by their pheromones, invisible chemical signals that can subtly alter a person’s mood, mindset, or behavior. According to new research published last week in Current Biology, men and women give off …

Research