A new mass spectrometry technique captures molecules of lower abundance in a sample, providing a more comprehensive sample ...
Effective protein characterization depends on the precise isolation and fragmentation of peptide ions within the mass spectrometer, typically coupled with liquid chromatography (LC-MS/MS). In a ...
Our nearest neighbor, the moon, is still something of a mystery to us. For decades, scientists have wondered why it appears ...
Why does light carry energy even though it has no mass? This video explains the real physics behind photons, energy–momentum relationships, and how light can transfer energy and momentum without mass.
Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...
Main outcome measures Cumulative time dependent intake of preservatives, including those in industrial food brands, assessed ...
Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Since 2006, guns have been used in an average of 25 mass killings per ...
Shooters often kill people who are, or presumably once were, close to them. 25 percent killed a parent, child or stepchild, and 23 percent killed a current or former romantic partner. Even some large ...
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