The "forever chemical" PFOS accumulates in honeybee colonies and transfers to their honey. New research shows chronic exposure leads to lower body weight in juvenile bees and disrupts key proteins, potentially threatening global pollination, food security, and human health.

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ВСУ запустили «Фламинго» вглубь России. В Москве заявили, что это британские ракеты с украинскими шильдиками16:45

There is a special form for boolean formulas called "Conjunctive Normal Form" (CNF). A problem in this form consists of clauses connected with and operators, where each clause only contains variables connected with or operators. The variables can appear negated, but only variables can be directly negated, something like !(a && b) is not allowed. An example boolean formula in CNF form is:

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