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Weighing particles at the attogram scale
MIT engineers have devised a way to measure the mass of particles with a resolution better than an attogram - one millionth of a trillionth of a gram. Weighing these tiny particles, including both s ... more
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Hugging hemes help electrons hop
Researchers simulating how certain bacteria run electrical current through tiny molecular wires have discovered a secret Nature uses for electron travel. The results are key to understanding how the ... more
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Penn research helps lay out theory for metamaterials that act as an analog computer
The field of metamaterials has produced structures with unprecedented abilities, including flat lenses, invisibility cloaks and even optical "metatronic" devices that can manipulate light in the way ... more
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Big data: A method for obtaining large, phylogenomic data sets
Traditional molecular systematic studies have progressed by sequencing genes one by one, a time- and cost-intensive task that has limited the amount of data a researcher could feasibly obtain. With ... more
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