Sara Tahir

25 Flips | 10 Magazines | 2 Followers | @SaraTahir | Keep up with Sara Tahir 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 “Sara Tahir”

These Beautiful Graphics Reveal The Chemistry Of Everyday Foods

Literally everything around us is made up of chemicals. That includes all foods. And the different kinds of chemicals they contain give the stuff we eat their flavors, colors, and smells.<p>On the blog Compound Interest, a chemist and teacher in the United Kingdom has illustrated the chemistry behind …

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 …

What Does It Take To Make Meat From Stem Cells?

More than you might realize<p>Made with some breadcrumbs, egg, and 20,000 lab-grown cow muscle cells, the world's first lab-grown burger made its debut last year. It was a proof of concept, evidence that you can make meat in lab. The technology is too difficult and expensive to show up grocery stores …

Stem Cells

How Many People Are Wrongly Convicted? Researchers Do the Math.

Is there a more tragic story than an innocent person going to prison? Tragic, and powerful. That’s why <i>The Shawshank Redemption</i> is one of the most beloved movies of our time. And why we’ve all heard of this quote from an esoteric 18th-century English guy, William Blackstone: “It is better that ten …

Princes and Princesses Among 50 Egyptian Mummies Unearthed

Royal mummies from Egypt's golden age surprise scholars.<p>Offering hopes for tracing the family secrets of the ancient pharaohs, more than 50 royal mummies have emerged in Egypt's Valley of the Kings from a tomb long sealed by rubble and little suspected of harboring royalty. (Related: "Valley of the …

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 …

Watson’s Next Challenge: Smarter Cancer Treatments

New innovations in computational biology are changing the way researchers tackle cancer and diabetes. Can algorithms find drug treatments that human doctors can’t?<p>Computational biology–the application of coding, mathematical models, and large-scale data processing to biology–hasn’t turned into a …

The Evolutionary Mystery of Left-Handedness and What It Reveals About How the Brain Works

<i>“Sahara is too little price / to pay for thy Right hand,”</i> Emily Dickinson wrote in a poem. <i>“The right hand = the hand that is aggressive, the hand that masturbates,”</i> Susan Sontag pondered in her diary in 1964. <i>“Therefore, to prefer the left hand! … To romanticize it, to sentimentalize it!”</i> The human …

Scientists Discover How to Generate Solar Power in the Dark

Meet 'photoswitches,' a breakthrough set of materials that act as their own batteries, absorbing energy and releasing it on demand.<p>The next big thing in solar energy could be microscopic.<p>Scientists at MIT and Harvard University have devised a way to store solar energy in molecules that can then be …

Scientists confirm existence of elusive 117th element

After four years of painstaking research, the discovery of the periodic table's 117th element has been confirmed. Element 117, otherwise known as ununseptium, was originally discovered back in 2010 by a group of American and Russian physicists with the Joint Institute for Nuclear Research (JINR). …

Colour-tinted photographs of North America – in pictures

From the Atlantic to the Pacific, the Rockies to the Tropic of Cancer, the North American landscape is immense and diverse. Lakes as great as seas, forests towering to the sky, windswept plains, sweltering deserts, tumbling waterfalls, marshy swamps, rushing rivers, a legendary canyon … the …