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© Getty Harvard scientists will attempt to replicate the climate-cooling effect of volcanic eruptions with a world-first solar geoengineering experiment set for early 2019.

The Stratospheric Controlled Perturbation Experiment (SCoPEx) will inject calcium carbonate particles high above the earth in an attempt to reflect some of the sun’s rays back into space.

It will likely mark the first time the controversial concept of dimming the sun — more scientifically known as stratospheric aerosol injection (SAI) — will be tested in the real world.

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Indoor living has thrown our circadian clocks out of whack. Ex-NASA space light expert Robert Soler has designed futuristic lights that do a better job mimicking the sun’s full spectrum. His Carlsbad company, Bios Lighting, says their lights are better for human health.

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The formal handover of the Chinese payload to NanoRacks at the Space Life Sciences Lab in Cape Canaveral, Florida. Photo credit: NanoRacks.

Small effort, big gains

Clearly, a lot of progress has been made toward making the space lab more analogous to the Earth lab in the past few years, and NanoRacks has played no small part in those improvements. Despite the challenges that still remain for microgravity research, some truly significant work has been accomplished. With just a little more investment, Carruthers believes, much larger gains can be made.

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