Every year, the United Nations recognizes April 22nd as International Mother Earth Day. It is a day we all participate in making our air clean, water fresh and land unlittered rather than accepting the trash-filled oceans, the smoggy skies, and the debris-laden land that is becoming the norm.

More on Earth Day, and a quick overview of Artemis II's journey farther into space than any human has ever gone.

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This week's tip:

I'm supposed to find a tool on the toolbar, but there are so many and I have no idea what they are for? It's just as bunch of pictures to me. Is there an easy way to figure this out?

A: To figure out what a tool does on the toolbar, hover your mouse over the tool (place the mouse above it without clicking). A tool tip will appear with a clue as to what it's for.

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