Roxanne Bex

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Why Are Some People Early Birds and Others Night Owls?

<i>This question originally appeared on Quora.</i><p><b>Answer by Suzanne Sadedin, Ph.D. in zoology from Monash University:</b><p>Advertisement<p>Your sleep cycle is …

Australian Universities

The Roots of Autism Are in the…Skin?

The skin is our gateway to the physical world. Below its surface are oodles of nerve fibers relaying different types of messages to the brain. At the ends of the fingertips, for example, fat and fast Aβ nerves help you fish for keys at the bottom of a messy purse, or feel the difference between …

Neurology

Neurocomic: A Graphic Novel About How the Brain Works

Scientists are only just beginning to understand how the brain works — from what transpires in it while we sleep to how to optimize its memory to what love does to it to how music affects it — and the rest of us fall somewhere on the spectrum between fascinated and confused when it comes to the …

White matter might matter much more than we thought

Changes in the brain's myelin distribution might be an unrecognised form of neuronal plasticity.<p>Look up ‘myelin’ in any neuroscience textbook and you’ll find something along these lines: It is a fatty substance that forms a sheath around axons, and gives the fibre bundles their white appearance …

Type 1 Diabetes Finally Explained

Let me say this with no exaggeration. My whole life, all day, all night, every day and each night is about keeping my blood sugar between the red and yellow lines. Whether I'm wearing, or not wearing, my continuous glucose monitor (CGM), screen pictured below.<p><i>(The little white dots between the red</i> …

12 Totally Bizarre, Gross Remedies From Old Medical Texts

Most of us have fantasized about living in the past -- seventeenth-century France, Rome of the emperors, sailing with Viking explorers. But there is an aspect of the past that can be guaranteed to send us scurrying back to the reassuring present -- health and medicine. No matter how fascinating …

5 Bar Tricks You Can Do With Science

Courtesy of Tim Shaw, whose television show launches tonight<p>As Kurt Vonnegut wrote in his classic <i>Cat's Cradle</i>, "science is magic that works." The same can be applied to these seemingly magical bar tricks, which are not really tricks but based in simple physics and science. They were shown to me by …

One Goat’s Million-Dollar Blood Is Fueling Cancer Research

In the quest to create a device to detect how cancer moves throughout the body, researchers discovered that one specific goat’s blood was key to success. Then that blood became very, very precious.<p>Once there was a goat living somewhere in North America. The goat, fed, kept warm, lived out its life …

Immunotherapy

Why Do Zebras Have Stripes? Mystery Solved, Scientists Say

For years, scientists have debated the evolutionary reason behind a zebra's stripes. Are they: a. Costumes for courtship? b: Camouflage to confuse lions and other predators? c: A natural way to cool off? d: Bug repellent?<p>If you answered "d," you'd win the prize, at least in the eyes of Tim Caro, a …

Biology

The 12 Most Controversial Facts In Mathematics

The following 12 simple math problems prove outstandingly controversial among students of math, but are nonetheless facts.<p>They're paradoxes and idiosyncrasies of probability. And they're guaranteed to start an argument or two.<p>If you're looking for a mathematical way to impress your friends and …

Mathematics

Growing up poor makes kids' DNA look old

Children who grow up in underprivileged households show signs of premature chromosomal aging, reports <i>New Scientist.</i> Moreover, this form of genetic aging might explain why adults who grow up in poor or otherwise stressful environments are more likely to develop serious health problems, such as …

Fountain Of Youth? Scientists Regenerate Damaged Organ In A Mammal For First Time Ever

As we get older, as do our cells. They divide, split, and become increasingly unreliable, making it harder to accomplish rudimentary tasks, like repairing wear and tear to the body. It’s why regenerative medicine–which promotes healing by dialing back your biological clock–is one of today’s more …

The Mystery of Dark Matter: WIMPS May Have the Answer

It’s a mystery that has haunted astronomers for nearly 80 years now: what is the mysterious dark matter that outweighs ordinary matter—all of the …

Gulf Oil Spill "Not Over": Dolphins, Turtles Dying in Record Numbers

Report warns that 14 species are still struggling from the 2010 disaster.<p>Four years after the biggest oil spill in U.S. history, several species of wildlife in the Gulf of Mexico are still struggling to recover, according to a new report released today.<p>In particular, bottlenose dolphins and sea …