Jo Dowell

35 Flips | 2 Magazines | 1 Follower | @JoDowell | Keep up with Jo Dowell 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 “Jo Dowell”

Prevent Alzheimer’s by vaccinating at 40, scientist suggests

A vaccine could wipe out plaques that stop the brain from signalling if given before the onset of the disease, experts say<p>Alzheimer’s Disease could be prevented by vaccinating people as young as 40, decades before any symptoms emerge, it has been suggested.<p>James Nicoll, professor of neuropathology …

How Chocolate Might Save The Planet

When you unwrap it, break off a piece and stick it in your mouth, it doesn't remind you of the pyramids, a suspension bridge or a skyscraper; but chocolate, says materials scientist Mark Miodownik, "is one of our greatest engineering creations."<p>True, it begins with a cocoa bean plucked from a tree. …

These neurons order stem cells to crank out new neurons

Is it possible that your brain can repair itself from within? The discovery of a new type of neuron that tells stem cells to make new neurons opens …

Regulating brain activity to improve attention

Some people call it meditation. Some call it discipline.<br>Ever heard of it?<p>Some people call it meditation. Some call it discipline.<br>Ever heard of it?<p>If …

Researchers decode how the brain miswires, possibly causing ADHD

Neuroscientists at Mayo Clinic in Florida and at Aarhus University in Denmark have shed light on why neurons in the brain's reward system can be …

New antibiotic proven effective to treat acute bacterial skin infections

A study published in today's <i>New England Journal of Medicine</i> reports that the antibiotic dalbavancin is as effective as vancomycin, the current …

Why Marijuana Needs Chemical Quality Control Testing

Medical and otherwise<p>Medical marijuana isn't always as advertised—at least not in the Seattle area, as one lab found out.<p>The lab, Analytical 360, recently worked with medical-marijuana patient Jessica Tonani to test samples from 22 area dispensaries and growers, <i>The Seattle Times</i> reports. The …

Cannabis

Seriously ill patients could receive untested treatments under new bill

Seriously ill patients who are told there is nothing more doctors can do for them could receive untested medical treatments if a new bill becomes law.<p>The medical innovation bill aims to beef up legal protection for doctors so they can draw on more experimental therapies for patients for whom all …

Beating brain tumours with a scorpion sting paint

Brain surgery is one of the most delicate operations a surgeon can perform. But soon they could be able to paint tumours to make them easier to see – thanks to one of nature’s deadliest venoms. (WARNING: Contains graphic footage of medical procedures)<p>Dealing with brain tumours can be tricky. …

The GPS In Your Head May Work A Lot Better Than That Phone

If I tell you to make your way to NPR's headquarters from the NOMA Metro stop a few blocks away, odds are you'll get yourself here, no problem. But how?<p>By using two GPS systems in the brain, one that determines the direct distance to the destination, and another that calculates the twists and turns …

Fasting mice generate new immune systems

Prolonged fasting in mice protects against immune system damage and it triggers stem cells from a dormant state to a state of self-renewal.<p>In both …

Light switches memories on and off | Mo Costandi

Researchers use optogenetics to provide the first hard evidence that long-term potentiation at brain synapses is crucial for memory formation<p>A team of researchers from the University of California, San Diego, has determined the cellular mechanism of memory formation, putting an end to decades of …

Animal research can be justified – but 'cuteness' is irrelevant

I once lost a debate with an animal rights activist. As a medical researcher who has been actively involved in experiments on rodents, this may come as a surprise to some. I lost the debate because once debates about the use of animals in medical research pass the facts, the stringent Home Office …

Forehead and fingertips most sensitive to pain, research shows

The forehead and fingertips are the most sensitive parts to pain, according to the first map created by scientists of how the ability to feel pain varies across the human body.<p>It is hoped that the study, in which volunteers had pain inflicted without touching them, could help the estimated 10 …

Biodiversity, morality pills and killer hurricanes - blogs roundup

<i>Welcome to Signal Boost, our weekly roundup of blog posts over the past week. We also feature our bloggers' favourite pieces of writing from around the internet – enjoy!</i><p><b>These birds aren't bird-brained.</b> Grrlscientist has a video involving some very clever birds opening some automatic doors. Plus, a …

Sleep after learning strengthens connections between brain cells and enhances memory

In study published today in <i>Science</i>, researchers at NYU Langone Medical Center show for the first time that sleep after learning encourages the growth …

New gene tests may give cancer patients quicker path to treatment

CHICAGO (Reuters) - A new way of evaluating tumors may soon help cancer patients identify the underlying genetic link to their disease - and the best possible treatment – all in a single test.<p>A view shows the U.S. Food and Drug Administration (FDA) logo at the lobby of its headquarters in Silver …

Can a trigger-happy immune system cause cancer after viral infection?

The immune system is a fickle thing, both hero and villain.<p>The ability of our ancestors to survive plague and pestilence was one of the forces that shaped the evolution of the human species into its current form. But many of us now find ourselves in environments where many of the biggest infectious …

Fasting for three days can regenerate entire immune system, study finds

Fasting for as little as three days can regenerate the entire immune system, even in the elderly, scientists have found in a breakthrough described as "remarkable".<p>Although fasting diets have been criticised by nutritionists for being unhealthy, new research suggests starving the body kick-starts …

Latest news from around Great Britain - MSN News UK

Optimize Your Tablet For Movies on The Go

<i>[ This sponsored article was written by IDG Creative Lab, a partner of PCWorld, and not by PCWorld's editorial staff. ]</i><p>Your tablet isn’t just a way to be productive on the go, it’s also a portable portal for watching movies and other video entertainment. Upgrade the viewing experience for maximum …

Textual healing: are apps the future of therapy?

One company wants to connect patients and therapists on smartphones, but not everyone's convinced the idea has merit<p>Compared with finding a therapist in a big city, signing up for text-message therapy was a breeze. All I had to do was open an app on my phone, pick a username, and type my first …

Test Driving The ‘Drone Selfie’ With Photojojo’s New Rental Program (Video)

Cave drawings, reflective pools of water, daguerreotypes, Instagram. If there’s one thing that humans have loved throughout history, it’s finding new ways to look at themselves, and photo technology that helps us do that just keeps getting better. But unless you happen to have thousands of spare …

Unleash Your Inner App Developer Part 4: Adding Navigation

<i>Do you have an idea for an app but lack the programming knowledge to begin building it? In this weekly blog series, How To Unleash Your Inner App Developer, I will take you, the non-programmer, step by step through the process of creating apps for the iPhone, iPod Touch, and iPad. Join me each week</i> …

Why wait for iOS 8? Seven cloud-friendly apps for your photos

At WWDC this week, Apple officially announced iOS 8 . Included in the list of new features for the next iteration of the company's mobile operating system was a handful of new editing tools for the iOS Photos app that will help you get your shots looking just right. While the new straightening and …

Chrome Is Now More Popular Than Internet Explorer

Google Chrome has edged out Microsoft's Internet Explorer in the ongoing battle of the browsers, according to Adobe Digital Report (ADI) data.<p>The …

Dryzoo coating promises to make your current smartphone water resistant

While Sony has long offered waterproof smartphones, the concept has only more recently started to gain traction with other Android OEMS like Samsung. With many of us bringing our smartphone everywhere we go, it makes sense that our phones would occasionally find themselves in situations where a …

Grab the remote: Chromebooks can now watch Play Movies, TV shows offline

After what seemed an eternity, Google(s goog) Chromebook owners can finally watch Google Play video content offline on their devices. Earlier last …

OpenSSL bug allows hackers to see private communication

The world hasn't yet recovered from the Heartbleed vulnerability in OpenSSL and now there's news of a new bug affecting the popular open-source security package. This recently announced, and already patched, exploit could allow an attacker to see and modify traffic between an OpenSSL client and an …