kevin hally

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E-cigarette vapor damages the immune system of mice, study finds

E-cigarettes are being pitched as potentially safer alternatives to traditional tobacco cigarettes, but it's starting to look like they may share some of the same deleterious effects. A new study out of Johns Hopkins University looks at e-cigarettes' effects on mice, and it finds that exposure to …

Combination Of Electricity And Chemistry Can Help Break Cocaine Addiction

Science is doing strange things in the brains of druggy mice<p>In 2013, a team of researchers showed they could reverse some of the symptoms of cocaine addiction by engineering rats' brain cells to respond to light and then aiming lasers at the rats' prefrontal cortexes. It was more of a research tool …

Why the modern world is bad for your brain

Photograph: Alamy<p>‘Because it is limited in characters, texting discourages thoughtful discussion or any level of detail, and its addictive problems are compounded by its …

IQ

Concentrate! How to tame a wandering mind

Procrastinate often? Caroline Williams does, so decided to find out if brain training could tackle her wandering mind. What she discovered could help everyone.<p>I am about to be zapped in the head with an electromagnet, once a second, for eight minutes. I fidget, trying to get comfortable in a huge …

The Brain

Your nose knows death is imminent | Mo Costandi

Losing the sense of smell predicts death within five years, according to new research<p>Until as recently as 1987, British coal pits employed caged canaries as sentinels that alerted miners to the presence of poisonous gases. Being more sensitive to them than we are, the birds would get distressed …

Chemists Expand Nature's Genetic Alphabet

For the first time, scientists have expanded life's genetic alphabet, by inserting two unnatural, man-made "letters" into a bacterium's DNA, and by showing that the cell's machinery can copy them.<p>The advance means that scientists have a new tool for exploring how life encodes information, which …

A Brief Guide to Common Painkillers

Click to enlarge<p>Following on from the previous post on antibiotics, it seemed logical to also take a look at the drugs we take to relieve pain. …

Monarch Butterfly's Genes Reveal the Key to Its Long-Distance Migration

A gene for efficient muscles allowed the insect to fly farther, new research suggests.<p>Monarch butterflies owe their long-distance migrations to one gene honed for efficient flight, according to a study released Wednesday. (Related: "Monarch Butterflies Struggle.")<p>The study of monarch genes also …

Editing The Genes Of Superbugs To Turn Off Antibiotic Resistance

Fighting bacteria’s ability to fight<p>Over the past decade, deadly bacteria such as MRSA, <i>C. difficile</i>, and even tuberculosis have developed numerous mechanisms to keep themselves alive at all cost – mostly against antibiotics. Some bacteria have the ability to pump invading antibiotics out of their …

Why England are no good at football

Watching England labour to a 1-0 victory against Norway on Wednesday night, in surely the most pointless of poorly timed international friendly matches, it was difficult to shake the suspicion that you were watching a team who had learned little from the last ten years of progression in the modern …

Scientifically Measuring A Sitting Butt With An MRI Machine

You'll never guess what lab this research came from.<p>Once upon a time, in a land not so far away, a team of four scientists put together a paper about scanning a healthy lady's butt with an MRI machine. They team wanted to measure what happened to her buttocks when she sat. This fantastic tale might …

Getting rid of old mitochondria: Some neurons turn to neighbors to help take out the trash

It's broadly assumed that cells degrade and recycle their own old or damaged organelles, but researchers at University of California, San Diego …

What did you do today? Your brain 'remembers' it cell by cell

No one will forget the amnesiac Henry Molaison.<p>An epileptic who had his hippocampus removed in 1953, Molaison lost the ability to record episodic memory. He had no idea if he'd eaten lunch. He greeted acquaintances each time as if it were the first.<p>Largely because of Molaison, who died in 2008, …

Outpatient Glycemic Control with a Bionic Pancreas in Type 1 Diabetes

Abstract<p>Background<p>The safety and effectiveness of automated glycemic management have not been tested in multiday studies under unrestricted …

Diabetes

Scientists bend banana genome to help children overcome vitamin A deficiency

It's the genetically modified fruit from Australia that could turn East African nations into life-saving banana republics.<p>Queensland University of Technology (QUT) researchers have engineered bananas grown in far north Queensland to increase the levels of beta-carotene, which is converted to …

Dare Ya To Not Try To Be A Scientist After Neil DeGrasse Tyson Explains Creativity To You

If only America's Science Coach, Neil deGrasse Tyson, had been there. He'd have said to me, “Lori, math, science, and engineering are some of the …

New brain cells could be blanking out old memories, research on rodents suggests

Have you ever been told about an incident that happened when you were little that you cannot recall? Perhaps the time you had an unstoppable crying fit at the mall, ate your first piece of pizza or hit your head on the coffee table and had to get stitches.<p>This inability to remember specific events …

New study identifies heart-specific protein that protects against arrhythmia

Researchers at the Cedars-Sinai Heart Institute have identified a heart-specific form of a protein, BIN1, responsible for sculpting tiny folds in …

Manmade or natural, tasty or toxic, they're all chemicals …

Chemicals are bad, right? Otherwise why would so many purveyors of all things healthy proudly proclaim their products to be "chemical-free" and why would phrases such as "it's chock full of chemicals" be so commonly used to imply something is unnatural and therefore inherently dangerous?<p>On one …

Researchers Record Young Neurons Making Connections, Exchanging Information

We don’t fully understand how neural networks form—that is, how neurons evolve from a few disconnected individual cells into the highly organized and …

Modern Medicine May Not Be Doing Your Microbiome Any Favors

There are lots of theories about why food allergies, asthma, celiac disease and intestinal disorders like Crohn's disease have been on the rise. Dr. Martin Blaser speculates that it may be connected to the overuse of antibiotics, which has resulted in killing off strains of bacteria that typically …

Doctors implant lab-grown vagina

<b>Four women have had new vaginas grown in the laboratory and implanted by doctors in the US.</b><p>A tissue sample and a biodegradable scaffold were used to grow vaginas in the right size and shape for each woman as well as being a tissue match.<p>They all reported normal levels of "desire, arousal, …