Getting Around

Darn it – lost again! I could swear I knew the way! This is Sandra Tsing Loh with the Loh Down on Science. You’re heading to work, and the freeway’s jammed! Maybe there’s a shortcut, but…NOW where are we?! Why do some of us seem to be so direction-ally challenged?

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Baking Bedbugs

The newest gizmo for airport security. . . ovens? This is Sandra Tsing Loh with the Loh Down on Science. Bed bugs have been making a worldwide comeback by evolving pesticide resistance. Gross! How can we stop them?! Enter Catherine Loudon, an entomologist at the University of California, Irvine. She’s

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Nordic Adventure

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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Flash Flu Fix

Travelling on an airplane this flu season? This is Sandra Tsing Loh with the Loh Down on Science. AH-CHOO! Scootch scootch! Between the close quarters and recycled air, there’s a good chance you’ll catch something. You can try to protect yourself by wearing a mask or popping vitamin C. But

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