Modifying Water-Purification Membranes with Nanomaterials

Research scientists at Howard University are applying the tools of nanotechnology to the age-old problem of water treatment. Continue reading Modifying Water-Purification Membranes with Nanomaterials

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Coming soon: A new NASA mission to hunt for alien planets

Scheduled to launch in 2017, the Transiting Exoplanet Survey Satellite (TESS) will monitor more than 500 000 nearby “Suns” for two years and is expected to discover at least 500 Earth-like planets. Continue reading Coming soon: A new NASA mission to hunt for alien planets

Is clean air worth the cost? A case study for developing megacities

Once known as the smog capital of the world, Los Angeles is on its way to shedding that reputation. Beijing, take notice! If you grew up in or near a large US city in the 1980s and 90s, you might recall the frequent warnings—especially on hot days—of high ozone (O3) levels. Breathing ground-level ozone—a product of … Continue reading Is clean air worth the cost? A case study for developing megacities