Zachary Pratt

95 Flips | 3 Magazines | 5 Following | 13 Followers | @zpratt4 | Keep up with Zachary Pratt 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 “Zachary Pratt”

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 …

Red and green show which X chromosome is turned on - Futurity

Researchers have figured out how to color code the two X chromosomes in female mice to reveal which is working and which has been switched off.

Chromosomes

So You Think You Can Dance With The Salmonella?

Anyone who has watched Dancing With The Stars or So You Think You Can Dance knows that a top-notch performance requires a combination of intricate choreography along with countless hours of practice. In these series, while time may be limited, the execution can still be exemplary leaving the …

How Rare Am I? Genographic Project Results Demonstrate Our Extended Family Tree

Most participants of National Geographic’s Genographic Project can recite their haplogroup as readily as their mother’s maiden name. Yet outside consumer genetics, the word haplogroup is still unknown. Your haplogroup, or genetic branch of the human family tree, tells you about your deep …

Girls, Boys, Toys — And Gender

Just in time for the holidays, we’ll look at boys, girls, gender identity – and the way we make and market toys. Plus, we look at new GM CEO Mary …

Love in the Time of Cholera Vaccine

In any relationship, whether between two people or between individuals and germs, there are inevitably matches that are simply tragic. Perhaps none are as heartbreaking as the regrettable marriage between Fermina Daza and Dr. Juvenal Urbino in the epic story, <i>Love in the Time of Cholera</i>. While …

FDA Aims To Reduce Use Of Antibiotics For Fattening Farm Animals

But critics say the program won’t actually change how much antibiotics pigs, chickens and other animals consume.<p>The U.S. Food and Drug Administration is asking veterinary drug companies to voluntarily agree to make it illegal to feed healthy animals some antibiotics. If the antibiotic is on the …

Microbiology

The History, Science And Myth Of Poison

A new exhibit at the American Museum of Natural History in New York explores the power of poison to harm and to help.<p>The golden poison dart frog is …

What Does it Mean That American Students are Barely Average?

The mediocre performance of American students on an international math, science and reading exam has become the latest front in the battle over …

Ancient Human Genes Cause New Confusion For Science

When Matthias Meyer began studying the ancient DNA in the 400,000 year old fossils he found in the Sima de los Huesos, or Pit of Bones cave, deep …

Geraldine Hamilton: Body parts on a chip

How Evolution Determines The Flavor Of Beer and Whiskey

Master brewers fine-tune strains of yeast to craft the perfect beverage.<p>Back in August of 2011, unconventional chef David Chang stood up in front of a gathering of chefs and other food people in Copenhagen to give a talk about food and microbiology. He opened his presentation by apologizing to the …

Flavors

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 …

See the very first images of a hydrogen bond

Chemists have long known what a hydrogen bond should look like, but until last week, most hadn't actually seen an image of one. Now, researchers from the Chinese Academy of Sciences have been able to visualize a hydrogen bond using atomic force microscopy, a technique that can deliver higher …

X doesn't mark the spot: real shape of chromosomes revealed

Time to revise the high school biology textbooks: contrary to their typical portrayal as being precisely X-shaped, chromosomes are in fact much more complex — and much messier looking. That's the finding of a new project that relied on DNA sequencing to produce accurate 3D images of chromosomes.<p>A …

Time lapse of epithelial cells undergoing mitosis

Time lapse of epithelial cells undergoing mitosis.

The magic of Fibonacci numbers | Arthur Benjamin

Babies’ weak immune systems let good bacteria in

Resistance to infections is suppressed to prevent inflammation from bacterial colonization.<p>As any new parent knows, infants are notoriously …

‘Parks and Recreation’s’ Nick Offerman: Manly-Man

Actor Nick Offerman, aka Ron Swanson from the TV hit “Parks and Recreation,” on becoming an actor, and being a manly-man.<p>Actor Nick Offerman has been …

Craig Venter On Living With Synthetic Life

Famed genome sequencer Craig Venter joins us to look at the brave new world of synthetic life.<p>J. Craig Venter. (Viking Publishing)<p>In the spring of …

Flipped Schools: Homework At School, Lectures At Home

Some teachers, even whole schools, are now “flipping” their days — doing homework in class, watching lectures at home. Is this the future of …

Breast Milk Bought Online Has High Levels Of Bacteria

Online breast milk marketplaces can be a godsend for a mother who might not be producing enough for her baby but still wants her child to get the the health benefits of breast milk. But milk sold on one popular website had more bacterial contamination than that from a milk bank, a study finds.<p>As …

Invasive Flower Adapted To Conquer, Study Finds

Biologists found evidence that purple loosestrife underwent evolution after arriving in North America.<p>Don't let its frilly flowers fool you. Purple loosestrife is a survivor. This plant is an invasive species in North America and it's made good use of the 50 years since it was first introduced to …

What Are Genetically Recoded Organisms?

Researchers have developed a new kind of genetic engineering that may be safer, with the power to make never-before-seen types of protein.<p>On a genetic level, all of life on Earth speaks the same language. We've all got DNA and/or its close cousin, RNA. All of our genetic material is composed of the …

Genetics

Sounding The Alarm For Basic Science Research Funding

This year’s Nobel laureates and more have sounded the alarm bell on funding basic science research. We talk to them.<p>Karolinska Institute’s Chairman …

Nobel Prizewinner In Medicine Thinks The N.I.H. Needs Help

In our Oct. 15 broadcast, Dr. James Rothman, a newly-minted Nobel Prize-winner in medicine had some hard words for the National Institutes of Health, …

Some Online Journals Will Publish Fake Science, For A Fee

Many online journals are ready to publish bad research in exchange for a credit card number.<p>That's the conclusion of an elaborate sting carried out by <i>Science</i>, a leading mainline journal. The result should trouble doctors, patients, policymakers and anyone who has a stake in the integrity of science …

New High-Tech Laboratory in Kazakhstan to Fight Plague Outbreaks

$102 million biosecurity facility will open in 2015.<p><b>In a dusty suburb near Almaty, Kazakhstan, where the Soviet-era buildings still hint at a different time, a slice of high-tech modernity has arrived—in the form of a $102 million biosecurity laboratory.</b><p>The Central Reference Laboratory (CRL) will …