Organic Pollution

Forest meadows, fresh flowers… tail pipe exhaust? This is Sandra Tsing Loh with the Loh Down on Science. Secondary organic aerosols–gah! These tiny particles are a class of chemicals that form the air around us. As natural and industrial gas emissions interact with sunlight, the resulting particles reflect or absorb

Deep Dive

What menacing secrets lurk in the depths of the ocean? This is Sandra Tsing Loh with the Loh Down on Science,saying…one word: “Plastics!” Plastics have been invading our oceans for years. Unfortunately, many animals, such as sea turtles, mistake them for food. But does plastic reach the creatures dwelling in

Bite Me

To live or to die…? Depends on your. . . teeth? This is Sandra Tsing Loh with the Loh Down on Science. One hundred and eighty million years ago, gigantic marine reptiles ruled the seas. Then, water levels began rising… dramatically! Not all seafaring reptiles could adapt. So, who survived

Mercury Madness

I’ll have the seafood platter – hold the mercury! This is Sandra Tsing Loh with the Loh Down on Science. Coal power plants and paper mills spew pollution – including mercury — into the atmosphere and ocean. It can be nasty stuff, and dangerous, too! But double trouble happens when

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

Mighty Methane Munchers

It’s jolly! Its green! But its …not a giant? This is Sandra Tsing Loh with the Loh Down on Science. The ocean is teeming with diverse life, especially at hot vents on the ocean floor! For example, Archaea — single celled organisms, not to be confused with bacteria. Tiny, one-celled

Plastic, Heal Thyself!

Family potluck, plate of fixin’s. . . Another plastic fork bites the dust! This is Sandra Tsing Loh with the Loh Down on Science. Plastic items break every day, from phone cases to prosthetics. If only they could fix themselves! Traditional plastic is like a long chain of repeating molecular

Windy Warming

Windmills taking the wind out of your sails? This is Sandra Tsing Loh with the Loh Down on Science. More and more cities around the world are committing to renewable energy. Coal plants produce carbon dioxide which can lead to global warming. But other options aren’t perfect either! Meet Lee

Hey, That’s My Spot!

Parking structures!  Hivelike, crowded, suffocating. . . literally? This is Sandra Tsing Loh with the Loh Down on Science. If you feel suffocated in over-crowded parking structures, there could be a reason. We know that cars contribute to air pollution. And parking garages have lots of cars. So, it’s no

Energize and Kick Butt

Here’s a new energy solution that kicks butts… literally! This is Sandra Tsing Loh with the Loh Down on Science. What’s one of the most toxic environmental pollutants? Cigarette butts! Tobacco waste is non-biodegradable. And it’s full of harmful chemicals! Luckily, scientists in South Korea have discovered a kick-BUTT method