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Crinoid fossils. Rock containing crinoid (or sea lily) fossils. These are Scyphocrinus elegans crinoids from the Silurian/Devonian period (about 440-360 million years ago). Crinoids are marine echinoderms that appear as early as the Ordovician period (500 million years ago). These crinoids have stalks by which they would attach themselves to the seabed, capturing food with feathery arms that formed a cup (seen at lower right and upper centre). Thousands of extinct crinoid species have been…

Nature Faces: Creating art with flowers and leaves! Take the kids on a nature hunt, and create art with your findings! - Happy Hooligans

Seasonal activity plans for winter - things to do in January

A whole month of seasonal activities for January :: winter arts and crafts :: snow and ice sensory play :: winter themed centers for winter math, literacy and science. So useful!

Forensic Science for Kids

Make forensic science fun for children with these classroom-approved activities!

Humans Are Idiots Enamel Pin -Life Club- hard enamel pin, lapel pin, misanthropist, vegan pin vegan badge soft enamel

Let the light shine in

We CAN perceive UV light: "...An illustration of how ultraviolet appears is provided by the Impressionist painter Claude Monet. Following cataract surgery in 1923, his colour palette changed significantly; after the operation he painted water lilies with more blue than before. This may be because after lens removal he could see ultraviolet light, which would have given a blue cast to the world. "

Top 20 Most Interesting Plants of the World