K D

851 Flips | 3 Magazines | 10 Likes | 4 Following | 5 Followers | @ThisOldGuyDavis | Keep up with K D 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 “K D”

From Fins Into Hands: Scientists Discover a Deep Evolutionary Link

To help his readers fathom evolution, Charles Darwin asked them to consider their own hands.<p>“What can be more curious,” he asked, “than that the hand of a man, formed for grasping, that of a mole for digging, the leg of the horse, the paddle of the porpoise, and the wing of the bat, should all be …

David’s Ankles: How Imperfections Could Bring Down the World’s Most Perfect Statue

Last summer, early in the morning, I stood out in the main square of Florence to watch the tourists come in. It was quiet. A Zamboni-like street cleaner drove its rounds, leaving wet circles on the paving stones. A vendor unpacked tarp-wrapped souvenirs from the back of his white van. When the …

London Bookstores Go Rogue as No Wi-Fi Zones

What do literary tourists look for when they visit the British Isles? Often it’s the quaint, old-fashioned bookshops that provide the perfect excuse to browse uninterrupted and to disconnect from the world. Until recently, the trend for barista-made coffee and high-speed Wi-Fi was considered by …

Books

How Did People Migrate to the Americas? Bison DNA Helps Chart the Way

Two teams of scientists have succeeded in dating the opening of the gateway to America, only to disagree over whether the Clovis people — one of the first groups from Siberia to reach the Americas — ever used the gateway to gain access to the New World.<p>About 23,000 years ago, in a period of intense …

Anthropology

How breast cancers resist chemotherapy

Researchers discovered an unexpected way that breast cancers cells with mutant BRCA1 or BRCA2 genes become resistant to treatment—a crucial step …

The Particle That Wasn’t

A great “might have been” for the universe, or at least for the people who study it, disappeared Friday.<p>Last December, two teams of physicists working at CERN’s Large Hadron Collider reported that they might have seen traces of what could be a new fundamental constituent of nature, an elementary …

Debate Over Trump’s Fitness Raises Issue of Checks on Nuclear Power

Hillary Clinton has fueled a debate over whether her rival for the presidency, Donald J. Trump, is fit to command America’s atomic forces. “Imagine him in the Oval Office facing a real crisis,” she said in her address at the Democratic convention last week. “A man you can bait with a tweet is not a …

Shaving away cancer: A UChicago doctor studies the long-term health effects of childhood cancer survivors

St. Baldrick’s Foundation holds head-shaving events to raise funds for pediatric cancer research (Photo provided by St. Baldrick’s)<b>Over 80% of</b> …

Scientists Ponder an Evolutionary Mystery: The Female Orgasm

An eye is for seeing, a nose is for smelling. Many aspects of the human body have obvious purposes.<p>But some defy easy explanation. For biologists, few phenomena are as mysterious as the female orgasm.<p>While orgasms have an important role in a woman’s intimate relationships, the evolutionary roots of …

Looking, Quickly, for the Fingerprints of Climate Change

When days of heavy rain in late May caused deadly river flooding in France and Germany, Geert Jan van Oldenborgh got to work.<p>Dr. van Oldenborgh is not an emergency responder or a disaster manager, but a climate researcher with the Royal Netherlands Meteorological Institute. With several colleagues …

Setting the Body’s ‘Serial Killers’ Loose on Cancer

BETHESDA, Md. — The young surgeon was mystified. A fist-size tumor had been removed from the stomach of his patient 12 years earlier, but his doctors had not been able to cut out many smaller growths in his liver. The cancer should have killed him, yet here he lay on the table for a routine …

Immunotherapy Offers Hope to a Cancer Patient, but No Certainty

DENVER — A cancer patient nicknamed the Steel Bull got his death sentence on a gloomy March Wednesday in 2015.<p>He was 47, his given name Jason Greenstein, but he had earned the moniker from his oncologist for his stubborn will during more than four years of brutal chemotherapy and radiation …

Red in Beak and Claw

Nashville — Two years ago, a day before the baby bluebirds were due to hatch, I checked the nest box just outside my office window and found a tiny hole in one of the eggs. Believing it must be the beginnings of a hatching, I resolved not to check again right away, though the itch to peek was …

Could Women Be Trusted With Their Own Pregnancy Tests?

In 1967, Margaret Crane was a 26-year-old product designer at Organon Pharmaceuticals, sketching face-cream bottles and ointment jars. One day, as she walked through a lab at the company’s headquarters in New Jersey, she spotted rows of test tubes on shiny racks that twinkled under the industrial …

The Path to Prosperity Is Blue

HOW can America’s leaders foster broad prosperity? For most Republicans — including Donald J. Trump — the main answer is to “cut and extract”: Cut taxes and business regulations, including pesky restrictions on the extraction of natural resources, and the economy will boom.<p>Mr. Trump and House …

What Is Immunotherapy? The Basics on These Cancer Treatments

Some of the most promising advances in cancer research in recent years involve treatments known as immunotherapy. These advances are spurring billions of dollars in investment by drug companies, and are leading to hundreds of clinical trials. Here are answers to some basic questions about this …

Harnessing the Immune System to Fight Cancer

Steve Cara expected to sail through the routine medical tests required to increase his life insurance in October 2014. But the results were devastating. He had lung cancer, at age 53. It had begun to spread, and doctors told him it was inoperable.<p>A few years ago, they would have suggested …

Cancer

Are there any Trump links to Putin?

<b>A hack of Democratic party emails has been blamed by Hillary Clinton's campaign team on Russian agents trying to help Republican Donald Trump. So are there really any links between the New York hotel developer and Moscow?</b><p>Several pundits have raised questions about the businessman's ties to Russia, …