Lottie Arnold

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A real-life Lord of the Flies: the troubling legacy of the Robbers Cave experiment

In the early 1950s, the psychologist Muzafer Sherif brought together a group of boys at a US summer camp – and tried to make them fight each other. Does his work teach us anything about our age of resurgent tribalism?<p>• Read an extract from The Lost Boys<p>July 1953: late one evening in the woods …

Psychology

Chemotherapy-free ‘cancer vaccine’ moves from mice to human trials at Stanford

A recent Stanford cancer study that cured 97 percent of mice from tumors has now moved on to soliciting human volunteers for a new cutting-edge medical trial.<p>The trial is part of a gathering wave of research into immunotherapy, a type of treatment that fights cancer by using the body's immune …

Immune System

Nasa astronaut twins Scott and Mark Kelly no longer genetically identical after space trip

Nasa astronauts Scott Kelly and his identical twin brother Mark have shared a lot throughout their extraordinary lives.<p>Born just a few minutes apart, the pair were both US Navy captains, both flew on the Endeavour and Discovery space shuttles, and both spent time on board the International Space …

Immunotherapy: beyond melanoma and lung cancer treatment

In the late 1800s, William Coley, a surgeon in New York, developed what scientists now think was the first cancer immunotherapy.<p>Coley noticed one of …

Immune System

Army of Nanorobots Successfully Strangles Cancerous Tumors

Tiny moving robots made of DNA are being used to deliver cancer drugs.<p>Nearly 1.7 million new cases of cancer are detected in the United States each …

Immunotherapy
Dementia

The 20 best foods to eat if you're trying to lose weight

Not all calories are created equal.<p>Different foods go through different metabolic pathways in the body.<p>They can have vastly different effects on …

Nutrition

Clogged arteries may be down to bacteria, not diet

The fat molecules in the plaques that clog up our arteries and raise risk of heart attack and stroke may come from bacteria that live in our mouths …

Parkinson's breakthrough: New disease-causing mechanism found

A new study led by scientists in South Korea and Singapore "overturns three decades of consensus" on what causes Parkinson's disease symptoms.<p>A study …

The FDA just approved a device that can monitor blood sugar without finger pricks

The device, which is made by Abbott and called the "FreeStyle Libre Flash Glucose Monitoring System," continuously monitors a person's glucose level via a sensor that's stuck on the body. It's the first device of its kind that doesn't require users to calibrate the system with a traditional …

Diabetes

We Can Finally Detect Concussive Brain Trauma in Living Patients

The CTE epidemic in American football needs this.<p>If you're an athlete who's suffered one too many knocks to the skull, you'll only get a diagnosis of …

Should You Actually Be Clearing Out Your Pores?

Here's what science has to say.<p>Many of us would have seen, if not tried, various products claiming to clean the dirt out of our pores. From scrubs to …

Skin Care

A New Cancer Treatment Could Be More Effective Than Chemotherapy

Caspase Independent Cell Death (CICD)<p>Scientists have discovered a new process to kill cancer cells, called Caspase Independent Cell Death (CICD), …

Cancer

Type 2 diabetes: Sponge implants may reduce blood sugar and weight gain

In a search for new treatments for type 2 diabetes, researchers have discovered that implanting polymer sponges into fat tissue might offer a way …

Could lithium help to prevent dementia?

Lithium is a medication approved for the treatment of bipolar disorder, but a new study suggests that its therapeutic benefits may not stop there. …

How an eye test could detect Alzheimer's

What if Alzheimer's could be diagnosed through a routine visit to the opticians? Researchers may have brought us a step closer to such a feat, after …

Lisfranc fracture: Causes, symptoms, and treatment

A Lisfranc fracture is an injury affecting the middle foot. It is often confused with a sprain because of the similar causes and symptoms.<p>Diagnosis …

Bioengineered Blood Vessels Can Grow Inside Animals

The grafts could treat children’s heart defects without needing to be replaced<p>Artificial blood vessels transplanted into three lambs grew up along with the animals, scientists reported in a study published today in <i>Nature Communications</i>. Made from skin cells, the grafts successfully replaced part of …

Cell Biology

Apollo deep space astronauts five times more likely to die from heart disease

First long-term study into health of Apollo crews shows deep space missions might take their toll, exposing astronauts to blood vessel-damaging radiation<p>Travelling to the moon, Mars or beyond could dramatically increase an astronaut’s risk of dying from cardiovascular disease, the first research …

Space Exploration

Wireless 'Neural Dust' Could Monitor Your Brain

Sand-sized sensor implants give instant feedback from nerve cells<p>Science fiction that features wires connecting brains to computers might now be obsolete. Wireless powered implants, each smaller than a grain of rice, could serve as "neural dust" that can one day scan and stimulate brain cells. Such …

There’s a device that drains food out of your stomach--and the FDA approved it.

The most surprising thing about the Food and Drug Administration’s approval of the obesity-control device called AspireAssist may be how little mainstream attention it attracted. Because, frankly, a weight-loss machine that lets you eat all you want and then drains the food out of your stomach is a …

Weight Loss

Scientist Claims He's Discovered a Magnetic 'Sixth Sense' in Humans

We can sense more than we see.<p>A researcher in US thinks he might have finally found evidence of humanity's sixth sense - the ability to detect, in …

The future of 3D-printed prosthetics

The recent ubiquity of 3D printers and innovations in prosthetic design, manufacturing and distribution offer a viable solution for the millions of people living with limb loss around the world. In the United States alone, close to 200,000 amputations are performed each year, yet, with prosthetics …

3D Printing

Bionic hand can feed physical sensations directly to the brain

A revolutionary prosthetic hand that connects the directly to the brain has allowed a 28-year-old paralysed volunteer to "feel" physical sensations …

Prosthetics

See The World Through Bionic Eyes With This Incredible Simulation

Behind bionic eyes<p>New visual simulations give us a glimpse of what it might look like to see the world through bionic eyes.<p>Since the FDA’s approval of the world’s first bionic eye system, the Argus II, more and more people who were once blind can now see (more than 80 by March 2014, according to a …

Assistive Technology

Out Of Thin Air

After a life of football, Joe Namath fears he has brain damage. But he's sold on a dubious treatment -- and wants others to buy in too.<p>J<p>oe Namath …

Sound Waves Could Speed Up Wound Healing

Sounds good to us<p>Application of ultrasound has been shown to speed broken bone regeneration by one third, and even restore memory to mice with Alzheimer’s. Now researchers have found that ultrasound can accelerate healing time of skin wounds too.<p>The elderly and those with diabetes can often develop …

Bristol, UK

This is What Food Additives Look Like Before They’re Added to Food

Are you looking to live a healthier lifestyle and maybe lose a few pounds? You could try some complex medical procedures and wild weight loss …

Nutrition

Bacteria 'Fight Club' Could Help Find New Cures For Diseases

New antibiotics can’t come soon enough<p>Humans could never have figured out how to get rid of potentially harmful bacteria without harnessing the bacteria themselves; when bacteria are under fire, they can create a special biological agent designed to eliminate their attackers. Now researchers from …

Biology