An elephant never forgets … its GPS? This is Sandra Tsing Loh with the Loh Down on Science. When African elephants get wanderlust, they pack their trunks and hit the road! They follow trails created by generations of elephants moving between water and food across the Savannah. How come they
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Vikings! Grab your helmets! And your, MAGIC CRYSTALS? This is Sandra Tsing Loh with the Loh Down on Science. Centuries ago, Vikings ruled the North Atlantic without compasses. Instead of following north, legends say they chased the sun using CRYSTALS, known as sunstones! These chunks of pure calcite split light
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