Daily Archives: February 25, 2012

Cancer Breath Test Enters Clinical Trials

Someday soon a breath test could do more than just tell if you’ve been drinking. Metabolomx, a startup in Mountain View, California, recently completed a clinical trial that shows that its breath test can spot lung cancer with 83 percent accuracy and can also distinguish between several different types of the disease, something that usually requires a biopsy. The accuracy of the test matches what’s possible with low-dose computerized tomography imaging of the lungs. Existing tests for lung cancer—the leading … Continue reading

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Why electrons remain separated from their beloved protons?

We all know the story. Electrons and protons are attracted to each other. That’s why a balloon rubbed on hair clings to clothes. The electrons it gained are crying out for protons and dragging the rest of the balloon along with them. But electrons and protons are right next to each other in the atom. Why don’t they just smoosh together? A hydrogen atom has one central proton, which apparently attracts electrons, and one electron, which attracts protons, orbiting planet-like, … Continue reading

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Where has all the lithium-7 gone?


via Axions could explain dearth of lithium-7 in dark matter theory.

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Zeno of Elea


Zeno shows the Doors to Truth and Falsity. Fresco in the Library of El Escorial, Madrid. Zeno of Elea (ca. 490 BC – ca. 430 BC) was a pre-Socratic Greek philosopher of southern Italy and a member of the Eleatic School founded by Parmenides. Aristotle called him the inventor of the dialectic. He is best known for his paradoxes, which Bertrand Russell has described as “immeasurably subtle and profound”. Little is known for certain about Zeno’s life. Although written nearly a … Continue reading

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Georges Seurat


The Sunday Afternoon on the Island of La Grande Jatte, 1884–1886, at The Art Institute of Chicago Georges Pierre Seurat  2 December 1859 – 29 March 1891) was a French Post-Impressionist painterand draftsman. He is noted for his innovative use of drawing media and for devising a technique of painting known as pointillism. His large-scale work A Sunday Afternoon on the Island of La Grande Jatte (1884–1886), Seurat’s most famous painting, altered the direction of modern art by initiating Neo-impressionism, and is one of the icons of 19th century painting. Seurat was born into a … Continue reading

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Duelling Banjos

Wonderful scene from the film Deliverance – re-posted by popular demand – Deskarati -

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