Chemicals from our phone and TV screens are accumulating in the brains of endangered dolphins and porpoises. New research shows these "liquid crystal monomers" from e-waste can cross the blood-brain barrier and may disrupt DNA repair, highlighting the growing impact of electronics on marine life.

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America was mired in Vietnam abroad and civil unrest at home. But at that moment, it seemed that humanity was united.

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This doesn't mean all maps must be brand new, just from the same batch/pre-calculation period.