A Seattle-area startup called Pattern Computer is developing a rapid COVID-19 test based on patterns in light from spit, one of several projects moving ahead from the 7-year-old company that designed ...

The issue is not digital versus non-digital; it is whether one format should be imposed uniformly in a deeply unequal ...

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Despite neat formulas and equations in textbooks, chemistry is still an inexact science. At best, scientists only partly understand some of the turbulent processes that occur during chemical reactions ...