Episodes – Page 128 – The Loh Down On Science

Bandage Diagnosis

May 20, 2021 Ying Huang

Image shows the microneedle-based skin patch from article which can be used for rapid medical testing.

Doc – it’s been two days! Where are my medical results? This is Sandra Tsing Loh with the Loh Down on Science. You’ve come down with a bug, so you took a blood test. Now, you’re waiting for the results AND a huge medical bill. Is there a faster —

Micro Personality

May 19, 2021 Kimia Montazeri

That body language seems somehow… FISHY! This is Sandra Tsing Loh with the Loh Down on Science. Confident strides, head held up high OR hunched back, looking for cracks in the pavement? The way we move says a lot about our personalities! Is this also true for ANIMALS? Joseph Bailey

Unfolding Secrets

May 18, 2021 Stella Moon

Somebody’s reading my mail! This is Sandra Tsing Loh with the Loh Down on Science. Three hundred years ago, letters had no envelopes. Instead, people folded them to make sure they could be delivered safely. Historians have found over five hundred unopened letters from Renaissance Europe. Is there a way

Hashtag Yes-Filters

May 17, 2021 Alan Ly

Thirsty for knowledge? This is Sandra Tsing Loh with the Loh Down on Science. Water desalination filters are like blocks of Swiss cheese. The holes let water through, but stop salt and pollutants. Filters like these could be the key to getting clean water to drought-stricken areas! But some filters

Holographic Sweets

May 14, 2021 Xinyu Li

The words "Edible" and "Nano" written using edible holographic material

As Willie Wonka says: come taste the…holographic rainbow? This is Sandra Tsing Loh with the Loh Down on Science. Shining, shimmering, splendid – holograms! Their rainbow colors show up on credit cards, stickers, even currencies. Holograms are so fun – if only we could use them on food! But inks

Kitty Cat Secret

May 13, 2021 Ying Huang

LOL! A cat rubbing its face all over its toys! SO CUTE! Or is it? This is Sandra Tsing Loh with the Loh Down on Science. Kitty LOVES catnip and SILVER VINE – a plant that has the same magic as catnip! But is it all about pure feline pleasure?

Brain Unplugged

May 12, 2021 Sebastian Waz

Schematic shows a man with the wireless recharging battery implanted in head

Is your brain’s battery wearing down? This is Sandra Tsing Loh with the Loh Down on Science. Some folks with Parkinson’s disease get treatment by ZAPPING THEIR BRAINS! Seriously — a surgeon plants a battery-powered wire in their brain that continuously emits electrical pulses. Problem is, batteries wear out –

Current Events

May 11, 2021 Nora Bradford

Can corals live life in the fast lane? This is Sandra Tsing Loh with the Loh Down on Science. Aren’t coral reefs gorgeous?! Sure! But did you know that nearly half of coral species are found deep below the sea, in cold water? Yet, with climate change come faster and

Big Screen, Small Sight

May 10, 2021 Adam Chin

Person using a computer screen and tablet

Sometimes seeing the big picture. . . can lead to a BIG headache! This is Sandra Tsing Loh with the Loh Down on Science. Watching the latest X-Men movie on a huge screen? Yes, please! But stare at TVs too long and our eyes and head begin to ache. Do

Rice the Flag

May 7, 2021 Xinyu Li

When the flag goes up – it’s suppertime! This is Sandra Tsing Loh with the Loh Down on Science. Flag leaves are the last leaves to appear on a rice plant – signaling that it’s ready to produce food! They also contribute around HALF the nutrients we get in rice.