Jun
02
2011

DNA logic gates calculate square root using 130 different molecules

Biological systems have caught the attention of computer scientists, who have been turning everything from RNA molecules to entire bacterial colonies into logic gates. ...
Jun
02
2011

A happy history makes for a relaxed nation

Why is it against the law to sell chewing gum or to not flush a toilet in Singapore, but completely legal to smoke pot ...
Jun
02
2011
Jun
01
2011

Why We Have So Much "Duh" Science

Hugh Pickens writes "Eryn Brown writes in the LA Times that accounts of 'duh' research abound as studies show that driving ability worsens in people with early Alzheimer's disease, that women who get epidurals experience less pain during childbirth than ...
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Jun
01
2011

2011 World Science Festival Begins In NYC

Velcroman1 writes "For the next five days, New Yorkers will be learning about science not from a PowerPoint presentation but by watching it firsthand. The World Science Festival is taking over New York City from June 1 to 5, bringing ...
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Jun
01
2011

Hawaii’s volcanic hotspot appears badly off-center

Mantle hotspots are believed to explain unique geological phenomena—like the formation of the Hawaiian island chain, and the history of volcanism that has culminated ...
Jun
01
2011

Disorienting mosquitoes with a blend of odors

As we enjoy the outdoors through various summer activities, we also have to deal with pests like mosquitoes, which are potential disease carriers, on ...
Jun
01
2011

Stamping Out Low-Cost Nanodevices

RogerRoast writes "Vanderbilt University scientists report that they have developed a simple technique for stamping patterns invisible to the human eye onto a special class of nanomaterials. According to the article, the method works with materials that are riddled with ...
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May
31
2011

WHO declares cellphones "possibly carcinogenic"

Those who are worried about the possible health risks of cellphones just received some backing from a significant source: the World Health Organization. ...
May
31
2011

Capturing Femtosecond Snapshots of Molecular Processes

umarkalim writes "Staff Scientist Apurva Mehta says, 'For 40 years at Stanford Synchrotron Radiation Lightsource, we have been taking very high-resolution photographs-photographs of atoms in molecules and crystals and of electronic structures. But now we want to make movies.' He ...
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May
31
2011

Carbon emissions boom, making future cuts harder

On Monday, the International Energy Agency released an evaluation of humanity's carbon budget for 2010, and the news was not good. The poor ...
May
31
2011

Evidence for a new particle gets stronger

It may have been a holiday weekend in the US and UK, but physics never takes the day off. ...
May
31
2011

Finally, a real scientific controversy: arsenic in DNA

We spend so much time discussing manufactured controversies about science that it's a bit refreshing to be able to report on a real one. ...
May
30
2011

Is our scientists learning to write?

In a recent issue of Science, Cary Moskovitz and David Kellogg consider the way students are taught science and science writing in laboratory courses, ...
May
29
2011

Weird Science enjoys a pint of Guinness more in Ireland

Those pretentious beer snobs may be right: Ever get told that, to really appreciate a Guinness, you have to travel to Ireland? ...
May
26
2011

Does Quantum Theory Explain Consciousness?

astroengine writes "Quantum theory is often seen as the root cause of unrelated, mysterious phenomena. Take consciousness for example. British physicist Roger Penrose recently argued 'that we will need to invoke 'new physics and exotic biological structures': rewriting quantum theory ...
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May
26
2011

Periodic Table of Videos takes home the AAAS SPORE Prize

The journal Science is produced by the American Association for the Advancement of Science, an organization that takes its role in promoting science education ...
May
26
2011

Is DNA computing going to terminate Internet banking?

In computer science and mathematics, problems can be broadly categorized as hard or easy. This doesn't refer to the complexity of programming an algorithm ...
May
26
2011

A pterosaurs’ crest is good for steering

Some research articles are a confusing compendium of calculations, a deluge of obscurely labelled diagrams, and conclusions that are carefully hidden. Yes, the journal ...
May
25
2011

10-Year Study Reveals Electron Shape

lee1 writes "In a 10 year long experiment, scientists at Imperial College have made the most precise measurement so far of the shape of the electron. It's round. So round, in fact, that if the electron were enlarged to the ...
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May
25
2011

Synthesizing a possible alternative to addictive painkillers

Opioids like morphine, codeine, and opium are effective painkillers, but they also have adverse effects, including addiction, nausea, and constipation. Thus, scientists are actively ...
May
25
2011

Male-only clams stay fit by having sex with other species

The animal kingdom has evolved a remarkable number of ways to have sex. Males and females, hermaphrodites, and parthenogenic females that get by ...
May
25
2011

Lasers, filters, and fiber add up to 26Tbps data transfers

The modern world revolves around fast, voluminous, and reliable communications. To accommodate the brave but not-so-new world of the interconnected, engineers have been working ...
Written by Staff in: Ars Technica | Tags: , , ,
May
25
2011

New Bacterium Lives On Caffeine

Kozar_The_Malignant writes "A newly-described species of bacterium, Pseudomonas putida has been found to live on pure caffeine. The little jaspers metabolize caffeine into carbon dioxide and ammonia. They were found living in a flower bed on the University of Iowa ...
Written by Staff in: Slashdot | Tags: ,
May
24
2011

We might harvest the Earth’s heat while trapping carbon emissions

Geothermal power has long been touted as a valuable piece of a renewable energy portfolio, but, like other energy technologies, it has its limitations. ...
May
24
2011

Feature: Ars photo essay: standing in the beam line of a neutrino detector

Although I was lucky enough to tour Brookhaven's RHIC accelerator during a period of scheduled downtime, my trips to the LHC and Fermilab both ...
May
23
2011

Turtles follow the sun even before they have muscles

Although turtles have a limited control over their internal body temperature, they do respond to temperature differences in complex ways. These include things like ...
May
23
2011

Dark Energy Confirmed By Australian WiggleZ Sky Scan

Phoghat writes "An Australian team of researchers scanned the sky using WiggleZ Dark Energy survey and found confirming evidence of Dark Energy. Einstein is correct, as so far, usual." Meanwhile, the International Space Station is looking for dark *matter* . ...
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May
22
2011

Understanding why Japan’s recent quake defied expectations

Last week, Science released three papers and a perspective, all focused on understanding what happened during the March earthquake that struck Japan. Now ...
May
22
2011

Weird Science exonerates booze, blames testosterone for bad driving

It's not the alcohol, it's the testosterone: Weird Science has come across several indications that the drinking that goes on at sporting events ...
May
22
2011

Will Graphene Revolutionize the 21st Century?

An anonymous reader writes "Much has been made of graphene's potential. It can be used for anything from composite materials - like how carbon-fiber is used currently - to electronics. 'Our research establishes Graphene as the strongest material ever measured, ...
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May
21
2011

Week in science: exoplanets ahoy!

Fukushima Reactor 1 melted down, 2 and 3 may have too: Access to the control room of Fukushima's Reactor 1 has allowed TEPCO to ...
Written by Staff in: Ars Technica | Tags: , ,
May
20
2011

Gossip changes the way we see the world

Everyone loves a bit of juicy gossip, but have you ever stopped to think about how hearing who is having an affair or who ...
May
20
2011

Mammals’ brains got bigger to handle sense of smell

Mammals have the largest brains relative to body size out of all the organisms on Earth. In addition, only mammals have a neocortex, the ...
May
19
2011

Feature: Ars visits the Tevatron particle accelerator at Fermilab

Last week, I flew out a day ahead of our staff meeting in Chicago. Instead of enjoying the Windy City, however, I headed west, ...
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