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Casting a Spell of Menace and Sweetness by ZACHARY WOOLFE


A capable cast adds to the darkly antic effect of Humperdinck’s “Hansel and Gretel,” a holiday offering for families at the Metropolitan Opera. 11 more words


Liquid Chromatography

Liquid chromatography is generally used as a technique in physical chemistry labs. This form of chromatrography can go hand-in-hand with gas chromatography by using analytical chemistry combined with physical separation capabilities with the mass analysis capabilities of mass spectroscopy. 27 more words


Thin-Layer Chromatography

Thin-layer chromatography is a widely used technique in biochemistry for separating chemicals based on polarity. A silica gel plate is generally used as the stationary phase and hexanes are generally used as the mobile phase. 94 more words


Gas Chromatography

Gas chromatography is generally used in physical chemistry labs and research. Gas chromatography is also used in organic chemistry when analyzing infrared spectra of protons and carbon atoms in order to determine a chemical’s purity. 32 more words


What is chromatography?

Hello, reader! You may be wondering what this site is actually about. Chromatography is a broad range of physical methods used to separate and analyze chemical compounds. 38 more words


What Causes The Northern Lights? There are many misconceptions...

What Causes The Northern Lights?

There are many misconceptions about what causes the Aurora Borealis when it really requires solar winds, magnetic fields and excited atmospheric gases.

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Proposals That Aren’t Prosaic by VINCENT M. MALLOZZI


For some, original marriage proposals replace the on-bended-knee thing

Published: December 20, 2014 at 07:00PM

from NYT Fashion & Style http://ift.tt/1w6TzHG