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Posts

April 16, 2014

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10:45 PM | Cassini may be witnessing the birth (or death) of a moon of Saturn
Objects, the biggest named "Peggy," spotted at the outer edge of the A Ring.
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6:13 PM | New “solar thermal fuel” has energy density of lead batteries
Store the UV energy in sunlight, release it as heat when needed.
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1:00 PM | Is US biomedical research heading for a breakdown?
Senior researchers who helped build the system now think it's unsustainable.
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1:36 AM | New Study Shows Surgical Checklists In Operating Rooms Are Less Effective Than Assumed
The patient has verified his or her identity, the surgical site, the type of procedure, and his or her consent. Check. The surgical site is marked on a patient if such marking is appropriate for the procedure. Check. The probe measuring blood oxygen content has been placed on the patient and is functioning. Check. All members of the surgical and anesthesia team are aware of whether the patient has a known allergy? Check. These were the first items on a... Read more

Urbach DR, Govindarajan A, Saskin R, Wilton AS & Baxter NN (2014). Introduction of surgical safety checklists in Ontario, Canada., The New England Journal of Medicine, 370 (11) 1029-38. PMID:

Citation
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1:36 AM | New Study Shows Surgical Checklists In Operating Rooms Are Less Effective Than Assumed
The patient has verified his or her identity, the surgical site, the type of procedure, and his or her consent. Check. The surgical site is marked on a patient if such marking is appropriate for the procedure. Check. The probe measuring blood oxygen content has been placed on the patient and is functioning. Check. All members of the surgical and anesthesia team are aware of whether the patient has a known allergy? Check. These were the first items on a... Read more

Urbach DR, Govindarajan A, Saskin R, Wilton AS & Baxter NN (2014). Introduction of surgical safety checklists in Ontario, Canada., The New England Journal of Medicine, 370 (11) 1029-38. PMID:

Citation

April 15, 2014

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10:14 PM | Automatic age progression: Ars staffers stare down the Grim Reaper
App takes baby photos and projects how they'll age. In our case, not so well.
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2:33 PM | Scientists pinpoint when harmless bacteria became flesh-eating monsters
The switch happened only 30 years ago; the bacteria now kills 500,000 per year

April 14, 2014

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9:40 PM | IPCC finally weighs in on how to avoid further climate change
Third and final section of latest IPCC report gives policymakers a roadmap.
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7:35 PM | Google buys “atmospheric satellite” builder Titan Aerospace
Project Loon, Manaki, and Maps all look to benefit from Google's new drone builder.
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5:28 PM | Today’s SpaceX launch will see the first attempt at landing its booster
The Falcon 9 will attempt a controlled descent, deploy legs.
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4:51 PM | Quantum gate could link multiple qubits into single computer
Photons could enable networking between multiple qubits.
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4:08 PM | Prepare your taxes while watching tonight’s lunar eclipse
First eclipse of a tetrad should be visible throughout North America tonight.
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2:00 PM | Flowing salt water over graphene generates electricity
Dragging a drop around produces voltage.

April 13, 2014

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11:10 PM | The physics of water drops and lift-off
Viscosity helps create a shape that lets liquid pop off the surface it strikes.
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4:20 PM | Chloroplasts, the plant powerhouses, send signals to roots
We don't know what it is, but it controls the expression of nuclear genes.

April 12, 2014

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3:35 PM | Twins’ immune systems look like those of complete strangers
When it comes to our immune response, genetics takes a back seat to pathogens.

April 11, 2014

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6:55 PM | Massive asteroid may have kickstarted the movement of continents
Ancient impact would have boiled the upper ocean.
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2:30 PM | Fruit flies show why swatting at flies is often fruitless
The insects perform aerial maneuvers similar to fighter jets.
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12:54 PM | Is pressure to publish causing scientific fraud?
A paper which was widely regarded as an exciting breakthrough has come under scrutiny, with some people suggesting that the results were false, or even fabricated. This is not the first time that a major study has been subject to … Continue reading →

April 10, 2014

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8:33 PM | IPCC report says climate change is bad news for crops
Overall, even minimal warming is a drag on production.
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3:56 PM | Brain damage can make people immune to the gambler’s fallacy
For them (unlike the rest of us) a near win is just a loss.
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3:35 PM | New solar plane is as big as a 747, will circumnavigate the globe
Solar Impulse's new solar plane can fly up to 5 days straight.

April 09, 2014

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8:11 PM | DNA-based logic gates operate inside cockroach cells
The logic units are driven by molecular collisions, not voltage.
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5:50 PM | Study: Games’ link to aggression comes from challenge, not violence
Hacked versions of Half-Life 2, Tetris used to drive testers mad.
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4:25 PM | Handheld quantum key generators are on the way
Simple client, complex server herald quantum security in the future.
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2:20 PM | LHC makes clear identification of a weird particle made of four quarks
What kind of particle is it? We don't know yet.

April 08, 2014

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7:04 PM | Scientific Lessons from Bread Baking
Every day chemists enter their laboratories, intent on making or studying something. For me, my daily task is to think about nanoparticles. At the end of the day the thinking process is no different than a chef working in the kitchen. Small changes in your recipe can make a huge difference. The ingredients, types, amounts, […]
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6:49 PM | Meet Your Inner Fish—and a few other animals left inside you
A miniseries airing on PBS tomorrow shows how evolution made us out of old parts.
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3:25 PM | Legal or privacy problems? Journal changes its tune on climate paper
Two statements, apparently contradictory, both on the journal's website.

April 07, 2014

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5:15 PM | Fermi telescope detects signal that could be annihilating dark matter
Distribution and energy is what we'd expect when WIMPs collide.
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