Batty Knowledge

Ugh, this physics test is driving me BATTY! This is Sandra Tsing Loh with the Loh Down on Science. We humans aren’t born knowing physics! But what gives with a bat? Bats emit ultrasounds which tell them where objects are by how fast the sound waves return.  So . .

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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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Diamonds in a Hurry!

Diamond hold by a tweezer

Diamonds are forever…and take forever to make! This is Sandra Tsing Loh with the Loh Down on Science. Diamonds — SO divine! But they take billions of years to form and mining is dangerous. Who can wait that long for luxury? Dougal McCulloch and colleagues at RMIT University in Melbourne,

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The Perfect Pop

A pot with overfloading popcorn on a gas stove

Movie magic meets… popcorn science? This is Sandra Tsing Loh with the Loh Down on Science. No movie night is complete without delicious, buttery popcorn! But have you ever wondered what makes those kernels pop and jump? A study led by Ecole Polytechnic tried to explain this phenomenon. Two French

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Drip Drop

The sound of insomnia: cue the LEAKY FAUCET! This is Sandra Tsing Loh with the Loh Down on Science, on the most annoying sound ever. What causes that DRIP DRIP of a leaky bathtub? It’s not what you think! Anurag Agarwal at the University of Cambridge discovered the cause —

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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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Whirligig Science

Are children’s toys making your head spin? This is Sandra Tsing Loh with the Loh Down on Science. The centrifuge is an essential lab tool. It’s like a really powerful salad spinner. It can separate fluids into layers based on their density. Centrifuges are critical for diagnosing diseases like malaria.

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The Perfect Wave

Surf’s up dude! Grab your. . . calculator? This is Sandra Tsing Loh with the Loh Down on Science. Surfers travel all over the world in search of the perfect wave. But even if you’re not riding monster waves in Hawaii, you deserve a good ride. It’ll happen, IF you

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Shaken, Not Stirred

Is the key to finding dark matter. . . in your fridge? This is Sandra Tsing Loh with the Loh Down on Science. Water freezes because impurities act as “seeds” for ice crystals to grow. But, if you put PURE water in the freezer, it can stay liquid – even

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Chunky Chocolate

This study is a chocolate mess! In a GOOD way… This is Sandra Tsing Loh with the Loh Down on Science. Chocolate – the miracle food! Like magic, chunks of fat, sugar, and cocoa solids become the treat we all love! But how does this combo produce LIQUID chocolate? Is

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