So excited! Sunday, November 3rd is One World Antiprism Day!!! This is Sandra Tsing Loh with the Loh Down on Science. What’s a prism? Picture a Toblerone box—ends are two small triangles, sides are three long skinny rectangles, spelling out “To-bler-one.” An antiprism? Hold the two triangular ends, twist them.
Continue readingCategory: Episodes
Brain-blowing
Your brain is a masterpiece! This is Sandra Tsing Loh with the Loh Down on Science. Scientists have long scratched their heads studying brains. But brain tissue is a scarce resource! Can we make more brains? Enter Yuanwei Yan and Xueyan Li from the University of Wisconsin-Madison. They developed a
Continue readingGreen with Energy
Hm—how truly green ARE those green LED’s? This is Sandra Tsing Loh with the Loh Down on Science. Computers, phones, lamps – our world runs on LEDs! But so much electricity! And to make colors, red, blue, and green lights have to be combined, via an energy-sapping color filter. D.J.
Continue readingChattering Chicks
It’s tough being the new bird on the block. This is Sandra Tsing Loh with the Loh Down on Science. Migration is sometimes necessary for survival. But animals with social structures might need to re-learn how to be….social! Enter the Cirl Bunting: a brown sparrow-sized bird. They’ve been studied in
Continue readingPiezo2 for Better Poo
Countdown to… NUMBER TWO?! This is Sandra Tsing Loh with the Loh Down on Science. Many struggle with chronic constipation. But what causes this stoppage? Lauren Jones and Flinders University in Australia wanted to CLEAR THIS UP. Our gut contracts to move food along the digestive tract. Piezo2 is a
Continue readingResurrected Roots
Help! It’s the attack of the zombie… leaves?! This is Sandra Tsing Loh with the Loh Down on Science. Tree ferns were once dinosaur food, but guess which scaley beasts this flora outlasted. How? James Dalling and colleagues from the University of Illinois were collecting tree ferns. They saw rot
Continue readingDrowsy Penguins
What’s black, white, and LOVES siestas? This is Sandra Tsing Loh with the Loh Down on Science. Humans enjoy cat naps, particularly at our desks, but if you’re a creature out in the wild? Dozing off can make you lunch for predators. Or does it? Enter the Chinstrap penguins of
Continue readingPuzzling Pregnancy Puking
Morning sickness? *retch*!! This is Sandra Tsing Loh with the Loh Down on Science. Nausea and vomiting affects SEVENTY percent of pregnant women. It can even cause hospitalization; but why’s it happen? Enter Marlena Fejzo and the University of Southern California. First, they analyzed blood from three hundred pregnant women
Continue readingSeeing Ret(inol)
Someday they’ll find it–the Rainbow Connection! This is Sandra Tsing Loh with the Loh Down on Science. Animals are kinda color-blind. Only some can tell between MEDIUM green wavelengths and LONG red wavelengths. And the different cells that sense color are tough to distinguish! Sarah Hadyniak and Johns Hopkins University
Continue readingFluid Fractals
Freaky Fractals! This is Sandra Tsing Loh with the Loh Down on Science. Ever trip out on ink fractals? You make ‘em by putting ink onto wet paint. Then it spreads out symmetrically, like tree roots. How does it happen? San To Chan and the Okinawa Institute of Science and
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