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March 2014

Science & Tech


Bionic plants

Nanotechnology could turn shrubbery into supercharged energy producers or sensors for explosives.

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3 Questions: Alan Guth on new insights into the ‘Big Bang’

MIT physicist explains how new results bolster his 1980 theory of cosmic inflation.

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Two-dimensional material shows promise for optoelectronics

Team creates LEDs, photovoltaic cells, and light detectors using novel one-molecule-thick material.

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How tumors escape

Biologists identify extracellular proteins that help aggressive tumors spread through the body.

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Nanopores underlie our ability to tune in to a single voice

Inner-ear membrane uses tiny pores to mechanically separate sounds, researchers find, that could ultimately lead to better machine hearing—and better hearing aids as well.

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Energy & Environment


Engineers design ‘living materials’

Hybrid materials combine bacterial cells with nonliving elements that can conduct electricity or emit light.

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