Juan Swartz

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I don't know what I think

I don’t know what I think, or how — and neither do you. But after reading Daniel Kahneman’s book, at least I understand the difficulties of thinking a little better.<p>When I was about half way through Daniel Kahneman’s <i>Thinking Fast and Slow</i>, a meticulous and perturbing dissection of the ease with …

Modern Genes Reveal 100 Major Population Shifts In Human History

Wherever conquerors go, they leave a little bit of their genetics. Gene analyses of modern people are able to reveal those influences.<p><i>Spread of Mongol Empire. Astrokey44 on Wikimedia Commons, CC BY-SA 3.0</i><p>Violence and love, conquest and assimilation, they're all in your DNA. Literally. As human …

Loneliness twice as unhealthy as obesity for older people, study finds

Scientists found that the loneliest were nearly twice as likely to die during their six-year study than the least lonely<p>Loneliness can be twice as unhealthy as obesity, according to researchers who found that feelings of isolation can have a devastating impact on older people.<p>The scientists tracked …

'Scaffold' map reveals brain's weak spots - Futurity

Neuroscientists have systematically identified the white matter "scaffold" of the brain, the critical communications network that supports brain …

What makes a pulsar pulse?

Hear the word “pulsar” and wonder what it is? Take 95 seconds to watch this video from NASA Astrophysics.<p>The EarthSky team has a blast bringing you …

Space

Scientists find gene linking brain's grey matter to intelligence

LONDON (Reuters) - Researchers have found a gene linking intelligence to the thickness of so-called “grey matter” in the brain, and say their discovery could help scientists understand how and why some people have learning difficulties.<p>An international team of scientists analyzed DNA samples and …

Self-Assembling Molecules Like These May Have Sparked Life on Earth

For Nicholas Hud, a chemist at the Georgia Institute of Technology, the turning point came in July of 2012 when two of his students rushed into his …

Monkeys Raised On Omega-3-Rich Diet Have Well-Structured Brains

Eat right and you too can have a healthy monkey brain<p>You may have heard that omega-3 fatty acids are good for you. They are a prime component of the nervous system, and cannot be made by the body--they must be consumed. But just how important are dietary omega-3 fatty acids for brain development …

Mass of ghostly neurtrinos solves sub-atomic mystery - Futurity

Scientists have used observations of the Big Bang and the curvature of space-time to accurately measure the mass of sub-atomic particles called …

Dark Matter

Human Brains Now Understand Smiley Emoticon Like A Real Face

Just don't turn that :-) upside down.<p>The brain is great at recognizing faces. When you see a face, specific areas of the occipitotemporal cortex are activated. But what about emoticons, such as the smiley face--how does the brain react? Is it possible that they might be seen similarly to faces, …

Quantum Microscope Uses Spooky Entangled Photons To See Better

Crisper images through physics<p>There's a new experimental microscope that visualizes incredibly difficult-to-see things with incredible accuracy via entangled photons, MIT Technology Review reports. You know, for those moments when unentangled photons just aren't enough.<p>The new microscope's creators …

Science Weekly podcast: Max Tegmark on his book Our Mathematical Universe

From fundamental particles to the expanses of space and time, Max Tegmark believes that matter is not merely explained by mathematics, but is mathematics<p>Guardian science correspondent <b>Ian Sample</b> meets the celebrated cosmologist <b>Max Tegmark</b> to discuss his latest book, <b>Our Mathematical Universe</b>.<p>In an …

New Footage Of Felix Baumgartner's Jump Is Still Bananas

Not that you anticipated otherwise<p>Did you see <i>Gravity</i>? Ha, lame. Remember in October 2012, when daredevil Felix Baumgartner jumped 23 miles <i>out of the sky</i> above Roswell, safely parachuting back to terra firma? There's new, first-person footage of that out. Look at it! Marvel at humanity's …

Vector boson fusion?

A new class of processes is observed while sifting the data from the 2010-2012 running of the CERN Large Hadron Collider, while theorists try to predict them better with the Standard Model and CMS publishes on the fermion decays of the Higgs. And what did Stephen Hawking really say about black …

Sitting Still Is Bad For Your Neurons

A sedentary lifestyle can be alarmingly harmful, according to a new study published in <i>The Journal of Comparative Neurology</i>.<p>Researchers gathered a dozen rats and split them between two types of cages: enclosures with running wheels and enclosures without. After three months, scientists injected the …

Neuroscience

7 Scientific Facts That Would Impress Sheldon Cooper

Be a cool science geek. Learning these seven facts will make you sound really knowledgeable.<p>Epoch Times has picked some of the most interesting …

The Big Bang Theory

'Placebo Sleep' Can Improve Cognitive Skills

If you tell people they slept better than they did, they are likely to perform better on math and word association tests.<p>If you can't get <i>real</i> sleep, perhaps you can make up for it with <i>placebo</i> sleep. Or such is the suggestion of a new study that found that people did better on cognitive tests after …

I have a dream, that one day scientists and philosophers will join hands

Why is there such a chasm between the sciences and the humanities, given that powerful new technologies have such profound effects on society?<p>As a researcher in academia, one gets to visit different cities and campuses, giving talks and seminars to students, colleagues and sometimes (the more …

Can Andrea Rossi's Infinite-Energy Black Box Power The World--Or Just Scam It?

Rossi--a lone Italian inventor with no real credentials and a history as a convicted scam artist--has convinced a small army of researchers that his box can harness a new type of nuclear reaction. What if they're right?<p>On January 14, 2011, a 61-year-old Italian inventor named Andrea Rossi staged a …

Stephen Hawking Says There Are No Black Holes

The physicist offers a new theory that allows energy to escape.<p>Stephen Hawking has a big announcement. No, it's not that aliens exist or that humans won't survive another 1,000 years on Earth. The physicist claims, in a paper posted online Wednesday, that the idea of an event horizon—the point of …

Curious History: Ancient Celts Left Mark on America’s Heartland

Perhaps one of the greatest historical anomalies in the New World—the Anubis Caves in Oklahoma—gives evidence of an ancient cult’s mysterious …

Ancient History

An Ancient Tirade on Gluttony That Still Rings True—History’s Lesson on Carbon Food-Prints

Food traveled far in the Roman empire. Today, it likewise travels from far-off places to feed our exotic tastes. There may be some lessons to learn …

PLATO

Black holes should be redefined, says Stephen Hawking in new paper

Black holes don't actually exist in the way we traditionally think of them, renowned physicist Stephen Hawking has proposed in a short but potentially revolutionary paper.<p>Classical theory holds that no energy or information can ever escape a black hole, but the principles of quantum physics suggest …

6 Famous Thought Experiments Explained in 1 Minute Each

Einstein once said, “If you can’t explain it simply, you don’t understand it well enough.”<p>The Open University, an online educational institute, took …

Quantum Mechanics

Even boring collisions at the LHC tell us something - this time about cosmic rays

At the CERN Large Hadron Collider we spend a lot of time and effort trying to filter out the common collisions, so we can focus on the rare events. But even the supposedly dull stuff is helping to resolve some key questions about our universe<p>By the time it finished its first run, at the end of …

Astronomers Wonder at Sight Never Seen Before—The Web That Holds Galaxies Together (Photo)

A stunning light shone from a quasar like a galactic flashlight, illuminating a wondrous sight never before observed—the filaments that bind galaxies …

Big History

Our brains can multitask for visual searches - Futurity

When it comes to vision, the brain can perform more than one function without sacrificing time or accuracy.

The Brain

Technique measures how the proteins in your body vibrate - Futurity

Researchers have for the first time observed in detail the vibrations of lysozyme, an antibacterial protein found in many animals.

Protein

How Life Began: New Clues From New Worlds

The odds that the universe is bursting with life seem to be getting better all the time. Astronomers recently announced that there could be an …

Does Evolution Evolve Under Pressure?

In 1996, Susan Rosenberg, then a young professor at the University of Alberta, undertook a risky and laborious experiment. Her team painstakingly …

Biology