Rachel Jean

23 Flips | 1 Magazine | 13 Likes | 16 Followers | @rjeanhorn | Keep up with Rachel Jean 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 “Rachel Jean”

Untangled DNA is how guys become guys

An enzyme that “unravels” DNA appears to trigger male development of the embryo, a finding that may give greater insight into intersex …

Calcium block may be a first in treating pancreatitis

Scientists may be on the brink of a treatment for acute pancreatitis—a disease that is often related to alcohol consumption and for which currently …

How does the body clock work?

<b>Last month scientists</b> <b>discovered proteins within our cells</b> <b>that prevent us from drastically adjusting our body clock, leading to the familiar sensation of jet lag. We ask one of the study's authors,</b> <b>Dr Stuart Peirson</b> <b>from the University of Oxford to explain:</b><p><b>What exactly is the body clock?</b><p>The body …

The amazing diversity of animal life – in pictures

The vast majority of animals with which we share our planet go almost unnoticed, eclipsed by the bigger, more charismatic creatures such as the mammals, amphibians and reptiles. A book published this week – Animal Earth: The Amazing Diversity of Living Creatures by Ross Piper – seeks to redress …

E. coli jabs toxin into gut cells

Scientists have figured out how virulent <i>E. coli</i> bacteria block a pathway that would normally protect the gut from infection.<p>These infections are …

In every whale's earwax is a record of its lifetime exposure to pollutants

Scientists have developed a new method for learning all sorts of interesting things about whales by studying their earwax<p>In addition to the amazing revelation that whales have earwax, we learn that a team of researchers in the US has published a paper detailing a new method that they developed for …

Rain Forest Plants Race to Outrun Global Warming

Tropical plants are migrating due to climate change, but can they move fast enough?<p><b>From a 13,000-foot peak of the Andes Mountains in southern Peru, gazing east over the dense rain forests of the Amazon basin, all you see is undulating green—one of the most verdant places on the planet.</b><p>It's what you …

What's In Your Pee?

Over 3,000 compounds isolated in largest urinalysis ever<p>It took seven years and 20 researchers, but a team at the University of Alberta have finally, using all available state-of-the-art equipment, figured out the chemical composition of human urine. This also means there's a good chance that …

New Imaging Technique Shows Surgeons Where Tumors End And Brains Begin

A new way to look at brain tissue in real-time could help surgeons know they're removing all the tumor tissue in a patient's brain.<p>Scientists from the Harvard University and the University of Michigan have developed a way to image brain tumors to reveal exactly where the tumor cells end and the …

Drug Cures Mice Of Down Syndrome With A Single Dose

But it's not a cure for humans yet.<p>Cure Down syndrome with a single injection? Well, maybe--if you're a mouse. A team of scientists from John Hopkins University and the National Institutes of Health have cured newborn mice of Down syndrome by injecting them with a drug that stimulates what's called …

Find the weak spot in bacteria’s outer ‘armor’

Invading bacteria have membrane proteins on their surface that help them avoid detection by the body’s immune system.<p>As such, these proteins are …

The Social Behavior Of Bacteria, Trippily Explored In Art

The advanced collective and social intelligence of bacteria colonies makes for some very psychedelic design.<p>The invisible colony of bacteria that spreads its invisible biomass across a petri dish is as gestalt as any alien hive-mind. Like such a mind, it grows with design, and it is from this …

Filter recycles hydrofracking water on-site

<b>U. TEXAS-AUSTIN (US) —</b> A new membrane-based filtering system is designed to reduce the amount of water and energy required for hydrofracking.<p>The …

Bee venom makes cells grow pores and leak

<b>RICE (US) —</b> The most comprehensive picture yet of bee venom’s principle toxin, melittin, could lead to the development of new drugs for attacking …

Anxiety may start in the womb

<b>CARDIFF U. (UK) —</b> Babies deprived of certain hormones in the womb could be at greater risk of being anxious as adults, according to new research with …

Genes from the father build the placenta

<b>CORNELL (US) —</b> Placentas support the fetus and mother, but new research with horses, mules, and donkeys confirms that the father provides the genetic …

Scientists pinpoint ‘root cause’ of 30 common cancers

<b>U. QUEENSLAND (AUS) —</b> Scientists have identified signature mutations that drive tumor growth in 30 of the most common cancer types.<p>The team analyzed …

8 Things You Might Not Know About the Louvre

<i>If you want to learn about a place, you can always pick up a textbook. But if you want to get to know a place, you're going to have to dig a little</i> …

Civil Service

IPCC Surer Than Ever About Human-Caused Climate Change

But the international panel of experts is less sure how that will affect people in specific places.<p>What debate? A recent draft of an international consensus report offers stronger-than-ever evidence that global warming is driven by human activity. The report also adjusts its expectations for …

The 10 Most Awesome College Labs Of 2013

How To Better Protect Farmworkers From Pesticides: Spanish

Advocates for farmworkers, especially those who grow America's leafy greens and fresh vegetables, are pushing the government to do more to protect those workers from exposure to pesticides.<p>A 20-year-old regulation — the Worker Protection Standard — is supposed to prevent harmful pesticide exposures …

CLIMATE 101 with BILL NYE

Thresher sharks use their tails like bullwhips to kill or stun prey

A diver has captured rare footage of the unique hunting style of thresher sharks in tropical waters off the Philippines.<p>The film was shot near coral …