Have you ever wondered how a pine cone knows when to open and close? It's not magic, it's science. Now, researchers have taken this cue from nature to create something pretty cool for our homes. Let's ...
This summer, as salmon swimming up the Katmai National Park's Brooks Falls became an all-you-can-eat buffet for bears, more than 15 million people watched via explore.org, which runs live-streaming ...
NZP copy 39088015261704 gift of Mrs. David Challinor. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!786738~!0# ...
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