Charelle Rose Greenslade

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New for brain scientists: a census of neurons

The human brain is a noisy, busy place, teeming with diversity. To produce the wondrously complex mammalian behavior we take for granted every minute, cells of different sizes, shapes and chemical affinities buzz, hum, crackle and pop in conflict and cooperation with one another.<p>When everything is …

Why Is Insulin So Expensive In The U.S.?

Dr. Jeremy Greene sees a lot of patients with diabetes that's out of control.<p>In fact, he says, sometimes their blood sugar is "so high that you can't even record the number on their glucometer."<p>Greene, a professor of medicine and history of medicine at Johns Hopkins University, started asking …

Why Boxing Training Will Get You Fitter Right Now

Boxing. The toughest sport in the world.<p>Naming any one sport the most difficult of all might cause some arguments! Some people may think that learned …

Boxing

5 Secrets to Punch Harder in Boxing

Everybody learning to box wants a knockout punch, so the question “how can I punch harder” is something I get asked time and time again. Some lucky …

Teen Dads Pass Mutations to Their Kids

Here’s another reason to discourage teen sex: teenage fathers pass along six times as many genetic mutations to their kids as do teenage mothers.<p>Researchers who looked at the DNA of more than 24,000 parents and their children found that when the father was 20 or younger, the children had many more …

A new study by scientists at the University of Cambridge claims teenage sperm is genetically weak, but is the claim credible?<p>Teenage boys already have plenty to worry about: spots, girls and the size of their “thing”, as Adrian Mole might have put it. Does the problem of having genetically weak …

Genetics

Most cancers are caused by bad luck not genes or lifestyle, say scientists

Scientists at Johns Hopkins University School of Medicine in the US found that the majority of cancers are not linked to environment or lifestyle<p>The majority of cancers are the result of bad luck rather than unhealthy lifestyles or inherited genetic faults, scientists have discovered.<p>For years …

Mesmerizing Videos of Ballerinas Preparing Their Pointe Shoes

Hours of crunching, sewing, and ripping go into readying a piece of footwear that lasts for just one performance.<p>I think I've found my ASMR trigger: watching YouTube videos of ballet dancers preparing their pointe shoes.<p>Don't get me wrong, I like the actual ballet well enough. But there's something …

The 9 Deadliest Viruses on Earth

1 of 11<p>Introduction<p>Humans have been battling viruses since before our species had even evolved into its modern form. For some viral diseases, …

Disease

Lab-made blood cells hunt cancer, leading to remissions

19 of 30 patients treated with genetically-modified T cells remain in remission from otherwise-fatal leukemia<p>The blood cells of cancer patients, reprogrammed by doctors to attack their leukemia and re-infused back into the patients’ veins, led to complete remissions in 27 of 30 people. That’s …

Neuroscience: Become Immune to Stress | Inc.com

Most people intuitively understand that exercise can improve your mood, but it was only last week that scientists figured out how it works. Their findings are of enormous importance to everybody who experiences stress at work.<p>According to a recent article in the <i>New York Times</i>, exercising causes …

Neuroscience

Ebola, the “heart of darkness” and the epidemic of fear

It’s a dangerous virus and Africa is suffering. But the American media-political panic is ugly and narcissistic<p>Ebola, at least from the American perspective, is something like the great white shark. It’s dangerous, all right, but the odds that it’s going to get you are vanishingly small. Fear of …

The women with superhuman vision

A tiny group of people can see ‘invisible’ colours that no-one else can perceive, discovers David Robson. How do they do it?<p>As Concetta Antico took her pupils to the park for an art lesson, she would often question them about the many shades she saw flashing before her eyes. “I’d say, ‘Look at the …

Could Genetics Hold The Answer To Curing Autism?

<b>Listen · 8:39</b><p><b>Toggle more options</b><p><b>Download</b>• <b><br>Transcript</b><p><i>Part 3 of the</i> TED Radio Hour <i>episode</i> From Curiosity To Discovery.<p><b>About Wendy Chung's TED Talk</b><p>Geneticist Wendy Chung describes what it's like to chip away at the mysteries of autism, and the excitement of uncovering tiny but critical clues.<p><b>About Wendy</b> …

Can diversity make babies open-minded learners? - Futurity

Hearing different languages around the neighborhood—in stores, on the bus, at the park—may change the way babies learn.

Diversity

Bed Bugs: Are They Making Another Comeback Or Fading Away?

Over the past several weeks, bed bugs have been in the news again. They are apparently riding several subway lines in New York and hiding in a movie theater in California. But yet, the Wall Street Journal recently reported that the bed bug industry is dwindling and that New York’s peak-bed bug …

Gray matter matters when measuring our tolerance of risk

There is a link between our brain structure and our tolerance of risk, new research suggests.<p>Dr Agnieszka Tymula, an economist at the University of …

How Do You Catch Ebola: By Air, Sweat Or Water?

There's no question Ebola is one of the most terrifying diseases out there. It causes a painful death, typically kills more than 50 percent of those infected and essentially has no cure.<p>But if you compare how contagious the Ebola virus is to, say SARS or the measles, Ebola just doesn't stack up. In …

Solar Flare Could Trigger Auroras Tonight For Northern U.S.

Earth is in the line of fire of a powerful solar flare that has already begun hitting us, but most of the energy from the Coronal Mass Ejection, or CME, will skirt safely by, scientists say, with major disruptions to the electric grid, satellites and communications unlikely.<p>But if you're lucky — …

Superbugs meet their match in rapid genome sequencing

It was the first sign of trouble. Three babies on the special care ward at Rosie Hospital in Cambridge tested positive for the MRSA superbug. Fearing an outbreak of the dangerous organism, managers ordered a deep clean. Staff duly disinfected the ward and went back to work as normal. Four days …

7 Hard Truths About Life That People Don't Like to Admit

This story originally appeared on Business Insider<p>While people generally like to think they're in touch with reality, the truth is that many of us shield ourselves from certain unpleasant facts to make us happier and more productive.<p>Users on Quora recently discussed the question: "What is an …

US researching implants that'll help your body and mind heal itself

America's mad science division is at it again, this time imagining a future where your body won't need (as much) medicine to stay healthy, simply by using the resources it already has. Put simply, a person's peripheral nervous system runs the internal organs and summons the troops to fight off …

Toxic metals in E-cigarette smoke raise red flags - Futurity

While smoke from e-cigarettes may not have cancer-causing agents, it does have higher levels of some toxic metals compared to traditional cigarettes.

eCigarettes

Boy Given A 3-D Printed Spine Implant

A titanium vertebra now stiffens this 12-year-old's spine<p>Rather than having a “spine of steel,” a 12-year-old boy in China can now boast something even cooler – a spine of titanium.<p>Doctors at Peking University Third Hospital have successfully implanted the first ever 3-D-printed section of vertebra …

British scientists produce working thymus, a vital immune system 'nerve centre' located near the heart<p>Reprogrammed cells created in a laboratory have been used to build a complete and functional organ in a living animal for the first time.<p>British scientists produced a working thymus, a vital immune …

Whole organ 'grown' in world first

<b>A whole functional organ has been grown from scratch inside an animal for the first time, say researchers in Scotland.</b><p>A group of cells developed into a thymus - a critical part of the immune system - when transplanted into mice.<p>The findings, published in Nature Cell Biology, could pave the way to …

Miracle on Ice: The Chilling Promise of Cryogenics

<b>This story originally appeared in print in the August issue of mental_floss magazine. Subscribe to our print edition here, and our iPad edition …

Blood Test That Allegedly Predicts Suicide Risk Only Looks Promising in the Media, Not in Science

For those who have been devastated by suicide, the news was encouraging: Researchers have discovered a simple blood test that can allegedly identify those who might consider taking their own life.<p>"With a test like ours, we may be able to stem suicide rates by identifying those people and …