Gbro Jr

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Ask Ethan: The Multiverse And The Road Not Traveled

The Multiverse is a word used by a great many people, yet not everyone means the same thing when they say it. Reader Chris Olson wrote in and asked about two different meanings in particular:<p>In what way, if at all, are the ideas of Everettian Quantum Mechanics and Eternal Inflation related? Can we …

Dark Matter

Fracking, Quakes, and Drinking Water: Your Questions Answered

We answer reader questions about the controversial method of extracting oil and gas known as hydraulic fracturing.<p>Does it really cause earthquakes? What about the impact on drinking water? These and other questions, including one about dinosaurs, surfaced when we asked what you want to know about …

Haiti's Unstoppable Outbreak

The nation has been battling a cholera epidemic since 2010—and it's still killing people. Why has no one been able to stop the spread of the disease?<p>In early February, when Jenniflore Abelard arrived at her parents’ house high in the hills of Port-au-Prince, Haiti, her father Johnson was home. …

Environmental Health

Chile’s largest city temporarily shut down due to smog 'emergency'

Measures relaxed on Monday night after cars were ordered off streets of Santiago, businesses shut and 7 million residents told to stay indoors<p>Authorities in Chile’s capital shut down hundreds of businesses and ordered hundreds of thousands of cars off the streets on Monday as a grey carpet of smog …

Fast-Track Fracking: Study Says Bigger Injections Trigger More Quakes

The more oil and gas companies pump their saltwater waste into the ground, and the faster they do it, the more they have triggered earthquakes in the central United States, a massive new study has found.<p>An unprecedented jump in quakes in America's heartland can be traced to the stepped-up rate at …

Five chemistry inventions that enabled the modern world

Photograph: eye35 /Alamy<p>It’s probably saved your life ...<p>276<p>image/jpeg<p>http://static.guim.co.uk/sys-images/Guardian/Pix/pictures/2015/6/4/1433438875320/b4602d45-1c76-47a3-b882-4eea17cb1b21-460x276.jpeg<p>460<p>Photograph: eye35 /Alamy<p>It’s probably saved your life …

Inventions

First images of collisions at 13 TeV in CERN's Large Hadron Collider

At first glance they look much like previous proton-proton collisions recorded by the detectors at the world’s biggest particle accelerator, but in fact no one has seen such events before<p>Last night we passed another milestone in the continuing adventure of the Large Hadron Collider.<p>Quick update, …

18 free things to do in Barcelona

Barcelona has enough to keep the most voracious of culture vultures and self-indulgent of gourmands happy for weeks, but all those entry fees and tapas bills can mount up. Fortunately, help is at hand with a variety of ways to make your holiday budget stretch a little further.<p>In addition to the …

Photographing the stars—the story of the Hubble telescope, told by its chief scientist

When it comes to iconic images of astronomical pillars of gas and dust, views of galaxies soon after they were formed, or glimpses of the accelerating universe driven by Dark Energy, the public can’t seem to get enough. The Hubble Space Telescope is undoubtedly one of the most popular science …

Telescopes

Target Pluto: fastest spaceship set for epic encounter with our remotest planet

Nasa’s New Horizons spaceship has travelled billions of miles in nine years to answer astronomers’ questions about the tiny world<p>It is the fastest spaceship ever launched and has been hurtling towards its target at a staggering 36,000mph for the past nine years. But now Nasa engineers are preparing …

Solar System

Why do we have allergies?

Allergic reactions to everything from pollen to peanuts make life a misery for millions. But why does our body over-react to seemingly benign intruders? Carl Zimmer reports.<p>For me, it was hornets.<p>One summer afternoon when I was 12, I ran into an overgrown field near a friend’s house and kicked a …

Flying to Europe This Summer? First, Focus On Crossing the Atlantic

One of the biggest mistakes that Americans make while planning a trip to Europe, in summer or any season, is myopically focusing on a specific route. You want to visit Amsterdam, so you only search into that airport. Or you want to visit Glasgow, so you neglect to look at a map and consider, maybe, …

24 Signs You're A Good Traveler

You may love to travel, but just because you enjoy taking vacations and visiting far-flung destinations doesn't mean you're good at it. Unfortunately, simply liking travel isn't enough. There are a few traits that every good traveler should possess.<p>If you've ever wondered if you have what it takes, …

Earth Has A Layer No One Knew About

Just like onions and cartoon ogres<p>Our perspective of Earth tends to be very shallow--literally. Everything we experience, from the deepest depths of the ocean to the highest mountain peaks, only skims the top of the outermost layer of the Earth, the crust, which is about 4 miles thick under the …

Geology

20 Art Shows to See This Spring In NYC - PAPER

<i>The slush puddles may still be bottomless and our seasonal depression may still be raging, but March is here and with it, a bursting of spring art events. From massive international art fairs to tiny art haunted houses, emerging gallery exhibitions to major museum openings, and new work from Bjork</i> …

What You Need To Know About Booking Your Flight

(Photo: Ticking Clock/Shutterstock)<p>For at least two decades, industry experts have been speculating about basic timing factors in finding the lowest airfares. The big question: When is the best time to buy plane tickets? So far, nobody has been able to come up with definitive answers that stand the …

Flying

My God, It's Full of Dust

Popular Science Blogs<p>Boxplot<p>Exploring the world of science through graphic narrative. By Maki Naro<p>Astronomers find an old-looking galaxy in a young universe.<p>Using a powerful radio telescope and a little help from a gravitational lens, Darach Watson (University of Copenhagen) and Kirsten Knudsen …

Universe

Nasa finds evidence of a vast ancient ocean on Mars

A huge primitive ocean covered one-fifth of the red planet’s surface, making it warm, wet and ideal for alien life to gain a foothold, scientists say<p>A massive ancient ocean once covered nearly half of the northern hemisphere of Mars making the planet a more promising place for alien life to have …

Global Warming

Images of star exploding four times captured by astronomers

Australian researchers were part of team able to capture images because of gravitational lensing, which magnified a supernova 9.3bn light years away<p>Australian researchers were among a team that captured images of the same star exploding four times, thanks to its location behind a massive cluster of …

Hubble at 25: the cosmos at its most breathtaking – in pictures

The Hubble telescope was launched in April 1990. Ever since, it has been providing astronomers with breathtaking images of the cosmos

Hubble Space Telescope

What pushes scientists to lie? The disturbing but familiar story of Haruko Obokata

Photograph: Haruko Obokata/AP<p>A mouse embryo formed with specially treated cells from a newborn mouse that had been transformed into stem cells.<p>276<p>http://static.guim.co.uk/sys-images/Guardian/Pix/pictures/2015/2/11/1423683645821/36c503e9-c5bb-4be2-b208-01912d5cb74e-460x276.jpeg<p>460<p>Photograph: Haruko …

What ISIS Really Wants

The Islamic State is no mere collection of psychopaths. It is a religious group with carefully considered beliefs, among them that it is a key agent of the coming apocalypse. Here’s what that means for its strategy—and for how to stop it.<p>What is the Islamic State?<p>Where did it come from, and what …

Religion

Large Hadron Collider Quiz: Are you ready for Run 2?

CERN will restart its physics rollercoaster in May, at higher energies than ever before. But are you ready for it? Have you learned the lessons of Run 1? What the hell is that thing in the picture? Take this quiz to find out!

Physics

How 40,000 Tons of Cosmic Dust Falling to Earth Affects You and Me

Book Talk<p>Our bodies are made of remnants of stars and massive explosions in the galaxies, authors say.<p>Astrophysics and medical pathology don't, at first sight, appear to have much in common. What do sunspots have to do with liver spots? How does the big bang connect with cystic …

One of the sites for the 2016 Summer Olympics is completely filthy, and it's going to stay that way

Brazilian officials' promise to cut the flow of pollutants into the bay by 80 percent was a key part of the city's Olympic bid document and widely held up as among the most enduring legacies of the games. But with just 1 1/2 years to go before the showcase event, it has become increasingly clear …

Brazil

Scientists Slow Down The Speed Of Light As It Travels Through Air

"Faster than the speed of light” might be more of a relative statement now<p>Light passes through air at about 299,000,000 meters per second, an accepted constant that hasn’t been challenged—until now. By manipulating a single particle of light as it passed through free space, researchers have found a …

University of Glasgow

Evolution: Why do we have lips?

Human beings are unusual in that our mouths are surrounded by hypersensitive, easily-hurt pink tissue – why? Jason G Goldman investigates.<p>They kind of flap around on the front of your face, get dried out and chapped in the winter, and occasionally get caught up between your teeth and mistaken for …

Lips