The event will feature hands-on activities to promote this year’s Chemists Celebrate Earth Week Theme - The Chemistry of Paper - and share reasons why chemists love the periodic table.

That means it’s time for spring activities! With plenty of outdoor ... curated “celestial” artifacts from the Rock Hall’s vault, an eclipse-themed soundtrack playing throughout the weekend, and album ...

which is fullest in spring. When your legs need a rest, head to the Happy Isles Art and Nature Center (which opens in April) for Yosemite-themed crafts and activities. Yes No ...