Into the woods we go, Hansel, Gretel and… CO2? This is Sandra Tsing Loh with the Loh Down on Science. In the musical, the wicked witch was the baddie in the woods. As far as the planet goes, the baddie is greenhouse gases – or CO2. It’s a big contributor
Continue readingAuthor: Stella Moon
Big Brains
Big brain…tiny list of Facebook friends? This is Sandra Tsing Loh with the Loh Down on Science. We, humans, are VERY smart mammals – if we do say so ourselves! Some say it’s because we have such big brains. But at what cost to society? Manuela González-Suárez at the University
Continue readingEight Punches
Why did the octopus punch the fish? This is Sandra Tsing Loh with the Loh Down on Science. Remember those school yard bullies from grade school? They’d just push people over and start punching! But imagine if these kids had EIGHT FISTS! Eduardo Sampaio from University of Lisbon, Portugal, and
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Ring ring! It’s your health care calling! This is Sandra Tsing Loh with the Loh Down on Science. Thanks to telehealth, you can now get a diagnosis in your PJs — IF your phone is nearby! But what about a COVID test? Could you screen for infections from the comfort
Continue readingElusive Huntresses
Men do the hunting. Women do the cooking — sez who? This is Sandra Tsing Loh with the Loh Down on Science. Imagine. You’re a hunter-gatherer in the early Americas nine thousand years ago. You take your gender role pretty seriously. In most societies, the message is clear: girls don’t
Continue readingPlanting Secrets
Plants and climate change: a love-hate relationship! This is Sandra Tsing Loh with the Loh Down on Science. Carbon dioxide, or CO2, is a major contributor to climate change. But it’s also a plant food source. When the sun shines, plants turn CO2 into food! So, back when there were
Continue readingFlier Friendly
Frequent fliers? More like frequent colliders! This is Sandra Tsing Loh with the Loh Down on Science. Here you are, a bird in flight, minding your own business. Suddenly – SQUAWK! OH NO! A WIND FARM! Fly back!!! Wind energy might help save the planet, but it’s deadly to birds.
Continue readingVisible Water
Dream vacation of the future? How about…the Moon! This is Sandra Tsing Loh with the Loh Down on Science, saying, well….someday! Imagine…you’re just finishing your first tour of the lunar surface. All that crater-hopping can make you thirsty! But wait… who packed the water?! NASA’s Casey Honniball says: don’t worry!
Continue readingPost-Ghost
BOO! Any ghosts in YOUR family tree? This is Sandra Tsing Loh with the Loh Down on Science. Ah, the family tree! Aunts and uncles, grandparents, and great-grandparents…but what about the gaps in the tree? Wouldn’t you like to know a little more about your family from thousands of
Continue readingAncient Americans
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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