Asteroid Blaster

Asteroid passing next to the milky way

AHHH! An asteroid is hurtling towards Earth! What to do??? This is Sandra Tsing Loh with the Loh Down on Science, saying: ready…aim…FIRE! But would that REALLY work? Let’s find out! George Flynn at State University of New York crushed up real meteorite fragments, acquired from the Vatican Observatory. Then,

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Virtual Exca-Vacation

Smartphone with the augmented reality app opened showing how a church looked like in the past

Are we there yet? All I see are a bunch of broken walls! This is Sandra Tsing Loh with the Loh Down on Science, saying…these days, the wonders of antiquity…aren’t all that wonderful. What if we could ACTUALLY peek into the past? Enter Vicenzo Barrille from the University Mediterranea of

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Brushing Basics

Toothbrushes of different colors and shapes

Brush every day – keep the dentist away! This is Sandra Tsing Loh with the Loh Down on Science. Time to replace that old toothbrush! But there are so many types – WHICH one is best? Muhammad Kashif from the University of the Punjab, Pakistan, wanted to know. He and

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Rivers of Colors

River crossing green land fields

We’d be lost without maps! Streets — highways – wait, what’s that squiggly blue line? This is Sandra Tsing Loh with the Loh Down on Science, saying — It’s got to be a river, right? But are rivers REALLY blue? John Gardner at University of North Carolina Chapel Hill and

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Outside/In

Aerial photography of gray concrete highways crossing

Working from home in sweatpants? Yes, please! This is Sandra Tsing Loh with the Loh Down on Science. The world-wide COVID pandemic has kept many people inside, away from restaurants, shops, and work. Without the usual hustle and bustle, how is the environment faring? Zhu Liu from Tsinghua University in

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Grandma’s Hands

Sourdough bread

Do grandmas really have a “magic touch” for baking? This is Sandra Tsing Loh with the Loh Down on Science. Aspen Reese from Harvard wanted to know: can grandma’s actual hands really make a difference? She and her team sent flour to eighteen bakers across North America and Europe. The

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