Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do ...
Once considered a fringe idea, the prospect of offsetting global warming by releasing massive quantities of ...
Scientists are taking the once-radical concept of dimming the sun through stratospheric aerosol injection (SAI) seriously, ...
Scattering microscopic particles of sulfur in the atmosphere might slow down climate change. It might also change weather patterns.
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