Toxic Poo

Rufus, time for walkies! This is Sandra Tsing Loh with the Loh Down on Science. Let’s go, boy – time to do your DUTY! Once we’re outside among the trees, it’s potty break. Dog poop has chemicals – like nitrogen and phosphorus – that make plants grow. So should I

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Forest Farts

Image of dying wetland forest. NC Wetlands via Wikicommons under (CC BY 2.0

Peee-yooh! Are you blaming the dog – again? This is Sandra Tsing Loh with the Loh Down on Science. When humans break wind they release greenhouse gases, which are bad for the climate. However, your “whodunnit?” might not compare to a dying wetland forest. As a forest dies, greenhouse gases

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Fungus Versus the Volcano

Conidia of the fungus Alternaria

Do FUNGI put the FUN in … cleaning? This is Sandra Tsing Loh with the Loh Down on Science… and a VOLCANIC scientific discovery! Volcanic eruptions create a chemical called Selenium. And industry has since increased Selenium in water to toxic levels. Can we get help to clean it? Mary

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Down to Earth

Plants growing in SMAG soil

Water woes? Time to get down to earth! This is Sandra Tsing Loh with the Loh Down on Science. Wide open sunlit lands, as far as the eye can see. Should be a great place to grow crops! Problem? the earth is dry and sandy in almost HALF of global

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More Fat, Less Stress

Euh! A lock of grey hair! I blame my teenagers. This is Sandra Tsing Loh with the Loh Down on Science. Worse than going grey, stress-induced inflammation can cause problems like allergies or depression. But there’s hope in the strangest form! Mycobacterium vaccae, a species of bacteria found in soil,

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Underage Volcano

Don’t erupt — but is that a fake I.D.?! This is Sandra Tsing Loh with the Loh Down on Science. Taupo is an active volcano in New Zealand. But scientists can’t pin down its age! The usual method is to carbon date nearby trees that perished during the eruption. All

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Plastic for Dinner

Just say “no” to plastic straws. Think of the turtles! This is Sandra Tsing Loh with the Loh Down on Science Plastic is everywhere – in packaging, fast-food containers … dirt?! Yes, dirt! Farmers sometimes mix plastic chips with mulch to improve plant growth. But the plastic stays in our

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Martian Gardens

We’ve all heard of “farm to table”—But what if your table is on Mars? This is Sandra Tsing Loh with the Loh Down on Science. It’s hard to get fresh veggies in space. But future colonists will need them for long-term survival. Enter researchers from Wageningen University in The Netherlands.

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