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The strange case of the man with two hearts

When a man was fitted with a new heart, his mind changed in unusual ways. Why? The answer reveals a surprising truth about all our bodies, says David Robson.<p>Every second or so, Carlos would feel a small “bump” hitting his tummy. It was the beating of his “second heart”.<p>The small mechanical pump was …

Psychology

15 Charts, Graphs, And Maps That Will Shape The Future Of Information

The latest, greatest data visualizations<p>We are awash with data, and it keeps piling up: Some analysts estimate the amount of digital information in the world now doubles every two years. The growing tidal wave will require automation—a shift some have called the Industrial Revolution of data—to …

Orion spacecraft's flawless test flight puts Mars exploration one step closer

Orion crew capsule survives launch and orbit, then temperatures of about 2,200C on its return through Earth’s atmosphere<p>White smoke rose in the air and green dye coloured the ocean to guide the USS Anchorage and smaller recovery vessels to the spot where Nasa’s Orion crew capsule splashed down to …

Four Weird Ways Animals Sense the World

Creatures like crabs, butterflies, snakes, and octopuses sense the world in unusual ways.<p>When humans sniff in order to smell something, we draw a quick puff of air into our nostrils and over chemoreceptors in our nasal cavity. But octopuses, butterflies, and other animals don't have noses like …

Harvard cracks DNA storage, crams 700 terabytes of data into a single gram - ExtremeTech

By on August 17, 2012 at 10:22 am<p>This site may earn affiliate commissions from the links on this page. Terms of use.<p>A bioengineer and geneticist at …

Human Genome Project

Replacing Glucose Tests With An Always-On Sensor–Hidden In Your Contacts

Instead of pricking and bleeding, diabetics will now get their glucose data straight from their eyes.<p>People suffering from diabetes need to make regular checks of their glucose levels, a procedure that normally involves pricking a finger and letting a little blood fall on a test strip.<p>One day, …

New Microscope Makes Gorgeous 3-D Movies Of Living Cells

Biology is beautiful.<p>There's a new microscope in town and the images it produces are stunning. An international team of engineers and biologists is announcing it's made a microscope that's able to see phenomena such as single proteins diffusing through thickly-packed cells, and the movement of the …

A New Microscope Can See Inside Moving Cells In Real Time, and There Are Videos

Erik Betzig just won a Nobel Prize for his new microscope—his follow up is even better.<p>Earlier this month, Virginia scientist Eric Betzig won a Nobel Prize for a new type of microscopy he developed. Today, he published a new paper that arguably blows that Nobel-winning research out of the water.<p>His …

Chemistry

World's Longest Snake Has Virgin Birth—First Recorded in Species

An 11-year-old reticulated python produced six babies without mating in 2012.<p>Virgin birth has been documented in the world's longest snake for the first time, a recent study says.<p>An 11-year-old reticulated python named Thelma produced six female offspring in June 2012 at the Louisville Zoo in …

Mind-Controlled Drones Are Already A Reality

Daniel Pack, who manages the Unmanned Systems Laboratory at the University of Texas at San Antonio, told Business Insider that his goal is to be able to create entire groups of drones controlled with a simple thought.<p>Thanks to a $300,000 grant from the Office of the Secretary of Defense, professors …

Brainwaves

Using Anthrax In The Fight Against Cancer

In the never ending search for cancer therapies, novel technologies are being explored, including the incorporation of the body’s own immune system. One particular area of interest has been the use of antibodies to target specific cancer-associated molecules and block their involvement in oncogenic …

Unproven Ebola cures, preventives proliferate

Amid alarm over the<p>Ebola virus, a flurry of pitches has sprung up for products that claim to prevent and treat the deadly infection. Online -- and increasingly on social media sites -- these products are being hawked by paid consultants, supplement gurus and "wellness advocates," whose claims range …

RCas9: A programmable RNA editing tool

A powerful scientific tool for editing the DNA instructions in a genome can now also be applied to RNA, the molecule that translates DNA's genetic …

It's Official: Beer Makes You Smarter | Inc.com

We hate to admit it, but the frat bros across America may be on to something when it comes to binge drinking. Hops, an ingredient in beer, has been found to increase brain function in high doses.<p>Researchers at Oregon State University found that xanthohumol, a type of flavonoid found in hops, …

High Blood Pressure

Woman gives birth after womb transplant, in medical first

Boy born prematurely but healthy to Swedish mother last month after donation of uterus from 61-year-old friend<p>A woman in Sweden has given birth after receiving a womb transplant, the doctor who performed the pioneering procedure said on Friday.<p>The 36-year-old mother received a uterus from a close …

FDA Takes Action Against Companies Selling Fraudulent 'Ebola Cures'

Do they also have snake oil for sale?<p>As the Ebola outbreak continues to spread throughout West Africa, one thing is on everyone’s minds: finding a cure. But while many researchers are toiling away, trying to fulfill this desperate need, others are trying to capitalize on it. Various companies are …

2 Ways To Think About Nothing, One Mo' Time

<i>This being my last weekend with this blog, I wanted to repost a story I wrote a few years ago that has continued to intrigue me ...</i><p>I'm going to show you two kinds of nothing.<p>The first is a small patch of space, way, way out in the universe, remote from everything, with nothing in it, no stars, no …

How often do you need to see a dentist?

Is going to the dentist every six months really necessary for good oral health? Claudia Hammond investigates.<p>A lot of us think that we should visit the dentist every six months – even if it’s not what we do in practice. Whether those biannual check-ups are really necessary is, however, a matter of …

Health

The Experts The Ebola Response May Need: Anthropologists

As the Ebola outbreak gains steam, experts continue to deploy to the region.<p>Teams from Doctors Without Borders, the World Health Organization, the U.S. military and others are in Sierra Leone, Guinea and Liberia assembling treatment centers and fighting the deadly virus.<p>There's one group of experts …

Bird Flu Strain Jumps From Animals To People For The First Time

H6N1 bird flu has been identified in a woman in Taiwan.<p>A common strain of bird flu that had previously only infected poultry has reached what's reported to be its first human patient, according to a study released in the <i>Lancet Respiratory Medicine</i> today.<p>Earlier this spring, the Taiwanese woman came …

Bird Flu

3-D Printing Cells For Drug Testing Could Keep Animals Out Of Harm’s Way

Using a hacked MakerBot printer, researchers came up with a way to make human cells that work better than animal testing–and don’t need an animal.<p>Think of 3-D printing and you probably think of plastic gadgets like this bizarre toothbrush, but the technology can also be used for “bioprinting” …

Study links DDT exposure to Alzheimer's disease

January 28, 2014 | 8:33 AM<p>Embed Code<iframe src="https://www.marketplace.org/2014/01/28/sustainability/study-links-ddt-exposure-alzheimers-disease/popout" frameborder="0" width="100%" height="240px"></iframe><p>Copy<br>• Close<p>Embed Code<iframe …

Alzheimer's Disease

Author Of Milestone Stem Cell Research Says His Papers Should Be Withdrawn

Outside researchers haven't been able to reproduce the papers' results.<p>One of the scientists involved in two milestone stem cell papers now wants to withdraw the papers.<p>Late in January, a team of American and Japanese scientists announced they'd discovered a new, easy way to transform adult skin …

No More Knife: The Stem-Cell Shortcut To Injury Recovery

Stephan Drake was halfway down a backcountry ski run in Alaska last March, filming with Sweetgrass Productions and Patagonia, when he aired over a steep spine onto an unexpected wind crust. The snow grabbed his right ski and Drake felt the unmistakable <i>snap!</i> of his knee ripping apart as he rolled …

Stem Cells