And of all the artifacts that have aided cognition, the most important is the development of writing, or more properly, of notational systems: number systems, writing, calendars, notational systems for mathematics, engineering, music and dance.

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New ZR-series displays offer IPS performance in a thinner profile The four new HP ZR-series Performance Displays are aimed at professionals in animation, game development, broadcast, computer- aided design, design and graphic arts, where performance and visual quality are imperative.

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During its tenure, the group has helped mediate conflicts between member countries, aided in disaster response, and fostered collaboration on collective defense and development projects.

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