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...simple hexagons of ice), but larger snowflakes have a complex structure which reflects their formation history and is unlikely to be exactly repeated. It only snows when the weather is cold, but an air temperature of 0 °C or lower is not necessary for snow. Although the edges of a flake will begin to melt at any temperature above 0 °C, the water produced will evaporate,...

...simple interventions are not available in some poorer countries. The 15 video tracks in this album explore the impact of visual impairment and corrective treatments. Derek Child explains how he learned to adapt to losing his sight and the training that helps him stay mobile and independent. Experts from Contamac reveal the science behind lens production. The Good Health...

...agree or disagree politically. About the i-Attune interactive The i-Attune interactive tool is designed for you, the public. Any data you provide is completely anonymous, ensuring your individual entries on the interactive and overall privacy is protected. The tool is simple, accessible, and built to up-skill you in political literacy and finding your democratic voice....