Hammer-on technique for atomic vibrations in a crystal

Vibrations of atoms in a crystal of the semiconductor gallium arsenide (GaAs) are impulsively shifted to a higher frequency by an optically excited electric current. The related change in the spatial distribution of charge ...

Understanding and predicting hurricanes in a warmer world

A tropical storm warning was issued for New York, New Jersey, and other mid-Atlantic states on Friday, July 10 due to Tropical Storm Fay, the earliest sixth-named storm on record. The storm made landfall near Atlantic City, ...

Saving Africa's biggest trees to help Earth breathe

Like wine, cheese, and savvy financial investments, many tropical trees become more valuable with age. This is particularly true when it comes to carbon storage, because old trees are often the biggest trees and the larger ...

Finding the missing step of an important molecular process

Lysine is an important amino acid that must be supplied in our diets, as our bodies can't produce lysine on their own. Most cereal grains have low levels of lysine, and scientists have worked to breed crops with higher lysine ...

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