Relephant Factors

What makes an elephant pack its trunk. . . and leave? This is Sandra Tsing Loh with the Loh Down on Science. Elephant societies are matriarchal. Mothers and grandmothers lead the way. Sadly, older females are often targeted for their tusks. This leaves their family orphaned! So what happens when

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Fantasy Islands

What do island paradises and diapers have in common? This is Sandra Tsing Loh with the Loh Down on Science, with the poop on coral-reef islands! These islands build up from sediment deposited over time. But where does that sediment come from? Sometimes, from parrotfish! To be specific, parrotfish poop!

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Garbage Gobblers

What do cockroaches and plastics have in common? This is Sandra Tsing Loh with the Loh Down on Science, saying…they both can last for THOUSANDS of years! Its estimated that there are more than five TRILLION plastic bits floating in our oceans. That’s more than the number of stars found

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Gassy Rocks

Could the solution to global warming be a stone’s throw away? This is Sandra Tsing Loh with the Loh Down on Science. Since the Industrial Revolution, burning fossil fuels has increased carbon dioxide emissions substantially. C-O-two traps heat in Earth’s atmosphere, contributing to the “greenhouse effect”. For years, scientists have

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Pollination Revelation

Is your margarita. . . endangered? This is Sandra Tsing Loh with the Loh Down on Science. Insects like bees and butterflies are known for their pollinating prowess. When they feed on the sweet nectar from flowers, pollen rubs off on their legs. This pollen transfers to other flowers so

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Super Rice

It’s a bird, it’s a plane, it’s… SUPER RICE? This is Sandra Tsing Loh with the Loh Down on Science. Fertilizers are mostly made of NITROGEN. Plants needs it to grow. But, too much nitrogen SLOWS growth for some plants! Other plants grow BIG and TALL with lots of it.

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Mop Up the Sky

Tide may be tough on stains, but could it also be tough on the environment? This is Sandra Tsing Loh with the Loh Down on Science. Great news! Air pollution caused by cars has plummeted thanks to new laws. But for some reason, there’s still smog hanging over L-A. What

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Bacterial Addicts

Education helps keep kids off drugs. But what about BACTERIA? This is Sandra Tsing Loh with the Loh Down on Science. When humans take drugs, our bodies don’t use the whole dose. The leftovers are just peed out. This might not seem like a big deal. But wastewater treatment facilities

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Let Them Eat Air

Can we make food out of thin air? This is Sandra Tsing Loh with the Loh Down on Science. Soil is full of microbes. These tiny organisms eat and break down other organisms. They also recycle nutrients. But in desolate places on earth, or even in space, what is there

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Starfish Wars

Where’s the Terminator when you really need him? This is Sandra Tsing Loh with the Loh Down on Science, and an ecosystem under attack. Australia’s Great Barrier Reef is truly a wonder of the natural world. But it faces a dangerous interloper: The Crown of Thorns starfish, or “COT” for

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