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Building peace in the minds of men and women

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All about light

lumiere_cnasa-sdo.jpg

This image shows the Sun in ultraviolet light through a telescope at the Solar Dynamics Observatory.
© NASA/SDO

To mark UNESCO's celebration of the 1st edition of the International Day of Light, on 16 May 2018, the Courier invites its reader to discover a selection of related articles published over the years.

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