Cloud seeding, often called artificial rain, is a weather-modification technique that adds tiny particles to clouds to encourage precipitation. It does not make clouds from nothing, but under the right conditions it can nudge a cloud toward producing rain or snow. This article explains the basic science, why governments try it, the pros and cons, and what such programs can cost.
Discover the fascinating history of soap, from ancient civilizations to modern hygiene. Learn the simple science that makes soap the world’s cleanest invention.
Imagine a world where scientists create a life form that’s like ours in every way—but flipped, as if seen tImagine creating a life form that’s just like us, but flipped—like looking into a mirror. DNA spirals in the opposite direction. Proteins twist the other way. Enzymes only work with their mirror-image partners.
This idea, called mirror life, could redefine biology as we know it.
A recent Science article by Kate Adamala and colleagues, supported by a detailed technical report, explores whether building mirror life could be the next leap—or the next threat—in synthetic biology.
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