Columns designed from nanographenes

Graphene is a carbon material that forms extremely thin layers. Because of its unusual properties, it is interesting for many technical applications. This also applies to polycyclic aromatic hydrocarbons (PAHs), which can ...

Environmental concerns grow as space tourism lifts off

After years of waiting, Richard Branson's journey to space this month on a Virgin Galactic vessel was supposed to be a triumphant homecoming. Instead, the jaunt attracted significant criticism—about its carbon footprint.

Ozone pollution has increased in Antarctica

Ozone is a pollutant at ground level, but very high in the atmosphere's "ozone layer," it absorbs damaging ultraviolet radiation. Past studies have examined ozone levels in the Southern Hemisphere, but little is known about ...

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