Can you stop cheaters… with magic? This is Sandra Tsing Loh with the Loh Down on Science. When exam time comes down, cheaters abound! Teachers might sit students far apart or banish book bags to a corner of the room. But are physical barriers really the only way? Professor Gail
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Could fun in the sun – mean grief in the reef? This is Sandra Tsing Loh with the Loh Down on Science. The sun’s ultraviolet rays cause suntans, sunburns… and an increased risk of skin cancer. Sunscreen protects our skin by using chemicals like oxybenzone to absorb harmful UV rays.
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Ants! They’re tiny, they’re mighty, they’re – master coders? This is Sandra Tsing Loh with the Loh Down on Science. How are hungry ants like scientists? Check out an anthill! Here ants wander randomly, searching until they reach their target. Scientists might also try a million paths before that EUREKA
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It’s a truly brilliant world… for hummingbirds! This is Sandra Tsing Loh with the Loh Down on Science. Pretty blues! Vibrant reds! We humans see colors because of special cells in our eyes called cones. Hummingbirds have an extra cone that detects UV light — light from the sun WE can’t see.
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What has rows of sharp pearly whites?! This is Sandra Tsing Loh with the Loh Down on Science, saying… BABY SHARK! Mighty Jaws sits on top of the oceanic food throne. Where adult white sharks munch on marine mammals, like dolphins, found near the water’s surface. But when you’re a
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Is the New World older than we think? This is Sandra Tsing Loh with the Loh Down on Science. Land Ho! Finally arrived on this brand new continent we’re calling “America”! But… there’s people here already…. When did THEY get here? Ciprian Ardelean of the University of Exeter, UK, and his international
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If time is money, how can we get more – of both? This is Sandra Tsing Loh with the Loh Down on Science. We’ve all been there. We have an hour before a meeting. Instead of making the most of it, most of us just fritter the time away. Sending texts,
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Newsflash! The Green movement’s going red! This is Sandra Tsing Loh with the Loh Down on Science. What’s your favorite eco-friendly product? A Tesla, solar panels,… red bricks?! Bricks have been used in buildings for centuries. HGTV can give you remodeling tips, but can science make your brick walls SMARTER? Hongmin Wang
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Watch out! It’s a fish-eat-fish world! This is Sandra Tsing Loh with The Loh Down on Science. How do you farm fish? Turns out, you STILL need to catch fish — to feed the ones you’re farming! Almost thirty million tons of wild herring, sardines and anchovies are caught each
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Has print gotten twice as tiny? Or is my eyesight not what it used to be? This is Sandra Tsing Loh with The Loh Down on Science, saying… EYE am not the only one! Most people experience declining eyesight as they get older. They find it difficult to distinguish colors
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