Shape-Shifting Robots

That Magic School Bus is so LOW TECH! This is Sandra Tsing Loh with the Loh Down on Science. Sure, Miss Frizzle’s bus could shrink down and jump inside you. Big whup. Nowadays, we can shoot drug delivery nanobots into your bloodstream. So what’s the next frontier? Would you believe

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Nanobullets

Could we shoot down bacteria POINT BLANK?   This is Sandra Tsing Loh with the Loh Down on Science. Sickness just hits ya all at once, doesn’t it? That’s because bacteria quickly multiplies once it’s inside us. AND, they’re growing resistant to antibiotics. How can we catch up?  Autumn Dove and

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Tiny Gravity

Water droplet falling from unknown object

What goes up must come down – it’s the law! This is Sandra Tsing Loh with the Loh Down on Science, saying – the law of GRAVITY! Gravity keeps us grounded on Earth and keeps us orbiting the Sun. It’s even powerful enough to pull GIGANTIC galaxies toward each other.

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Organic Pollution

Forest meadows, fresh flowers… tail pipe exhaust? This is Sandra Tsing Loh with the Loh Down on Science. Secondary organic aerosols–gah! These tiny particles are a class of chemicals that form the air around us. As natural and industrial gas emissions interact with sunlight, the resulting particles reflect or absorb

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Whiskey Rings

To avoid those annoying coffee-rings on your table, try switching to whiskey! This is Sandra Tsing Loh with the Loh Down on Science, saying: Slow down. This study comes to us via engineers Hyoungsoo Kim and Howard Stone at Princeton University. They were inspired by photographer Ernie Button’s portraits of

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Password Protection

“Totally random!” It isn’t just Valley speak! This is Sandra Tsing Loh with the Loh Down on Science. Still using your cat’s birthday for your bank password? Me too! But random number generators are key to protecting websites and keeping sensitive information safe. Unfortunately, computer codes that produce random numbers

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