Shadowing Practice: How worried should we be about microplastics in our homes? Norman Swan investigates | 7.30 - Learn English Speaking with YouTube

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We're used to the idea that what looks and feels like fresh air can contain all sorts of dangers.
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We're used to the idea that what looks and feels like fresh air can contain all sorts of dangers.
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But the latest pollutants to concern us are actually in your home and mine.
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They're microplastics, tiny fragments of plastic that are less than five millimeters in size.
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We've come to one Sydney home to find out what lurks inside.
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Hi Eleanor.
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How are you?
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I'm great.
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I'm great.
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Would you like to come in?
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Yeah, I'll take my shoes off.
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I've come to the home of Eleanor Saxon Mills,
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a busy mum to one-year-old Sunny and four-year-old Ines.
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Cup of tea?
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I would love a cup of tea.
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Yeah, black?
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Yeah, just black, thanks.
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Thanks so much.
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That's great.
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So what have you heard about microplastics before we came along?
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I've heard only a little bit that it's everywhere,
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especially in our food, and that there's huge amounts in us,
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which is kind of a little bit terrifying.
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But it is everywhere.
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Yeah.
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You know, I thought tea was safer.
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What can be safer than tea and tea bags?
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And then I discovered that even tea bags have microplastics in them.
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You just can't escape it.
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Yeah, that's crazy.
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Do you want to show me around the kitchen?
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We'll see what you've got.
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Yeah, yeah, go right ahead.
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So let's look at the fridge.
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Yeah.
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Let's show Dr. Norman all of our plastic in here.
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I mean, it's very hard to buy stuff that's not wrapped in plastic.
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Yeah, everything.
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All sorts of plastic here,
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no glass, just plastic bottles, plastic containers.
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OK, show me your secret stash.
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Yes, the Tupperware.
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That's up here.
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Let's lift you up here.
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Here we go, the stash.
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This is all the plates in here and plastic.
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Do you put plastic in the dishwasher?
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Yes.
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Am I allowed to?
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Yeah, there should be plastic in there now.
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Oh, that's where it is, yes.
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You know what they're saying about plastic and dishwashers these days.
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Please don't tell me.
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So what was here beforehand?
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It was just grass and a hill's hoist and that was it.
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Eleanor knows and does more than most when it comes to the environment.
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She grows her own veggies and raises her own chooks.
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They give us a couple of eggs a day, which is awesome.
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So she's certainly keen to find out how to minimise potential microplastic danger inside the house.
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What are microplastics?
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Microplastics are those small bits of plastic.
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They either come from fragments of larger plastics,
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or they're intentionally added as microplastics to products.
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But they can get very small indeed, can they?
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They can.
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We're now finding plastics down to the nanoscale,
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so plastics just fragment over time.
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They don't biodegrade within our lifetime.
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They'll just get smaller and smaller under UV light or through action, fragments come off.
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How do microplastics actually get inside your body?
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Breathing it in, drinking and eating are the main sources.
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The finer particles tend to settle in the bottom of the lungs and they move through the bloodstream,
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across the membrane, because they're fine enough.
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Similarly, with what food we eat,
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you know, those smaller particles will move across the stomach wall and into the bloodstream,
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and then they're distributed around the body.
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The third major source is applying it on our skin.
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Rather than assume where the highest exposure to microplastics are in Eleanor's house,
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We're actually going to measure them over a few weeks.
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We can't measure what microplastics Elner's family is eating,
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but these petri dishes will catch the plastic fibres and particles they might breathe in from the air.
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We'll have the results back in a couple of weeks.
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It's hard to imagine a world without plastic.
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It's in the clothes we wear,
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the carpets we walk on,
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the pans we use for cooking,
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and the packaging in the supermarket.
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Plastic production has grown more than 200-fold in the last 75 years and is showing no signs of slowing down globally.
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There are around 16,000 chemicals in plastics,
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and of the few which have been tested for safety,
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a significant proportion shows signs of being harmful.
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We did have a look in the kitchen,
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but not in the cupboard.
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Dr Scott Wilson has picked up the petri dishes from Eleanor's home and is analysing them in the lab.
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Really in the home, it's the fibres.
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It's 90% of what we're seeing are fibres like this on the screen.
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And just at this fibre level,
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can that have an effect on the body?
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Yeah, I mean, we're breathing it in,
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and so it can get trapped in the lungs.
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The larger particles get expelled as we cough it out,
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but the smaller particles get caught and reside there and can move across into the bloodstream.
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He's also taken a sample from inside Eleanor's vacuum cleaner.
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It picks up lots of plastics.
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As you can see, there's some larger fragments there,
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some smaller fragments, but they're heavier particles that just fall on the ground.
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And is there any evidence that that sort of material is what we're ingesting?
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Potentially, particularly with kids and babies crawling around on the ground.
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The potential for human harm is significant.
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It's not just the thousands of chemicals that have not been tested for safety.
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There are contaminants and additives,
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some of which have already been banned.
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And then there's nanoplastics, which can get into the brain, perhaps causing inflammation.
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The reality with microplastics is that we're flying blind, relying on animal studies.
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If you put microplastics in the water with fish or with some invertebrates,
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they'll change their growth behaviour and or die depending on the concentration.
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There was a study done where they put microplastics in the water supply of mice
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and the ones that had been exposed to microplastics were behaving as if they had early onset dementia.
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I've come back to give Eleanor the results from the Petri dishes.
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Where do you think was highest?
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I actually think it was Sunny's bedroom
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because we had it right next to where the nappies are
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and every time I took a nappy out
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or got his clothes out I just thought there's got to be a lot of plastic floating around here.
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So it was your bedroom?
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Oh really?
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Yeah.
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Oh, I would put that right down the bottom of the list.
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I'm very surprised.
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Second was the bathroom.
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Okay.
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Yeah.
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And then in here and the play area.
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Right.
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And the kitchen, you know,
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parts of the kitchen were high,
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but the pantry was really low.
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Right.
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Okay.
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Gosh, that really surprises me.
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Yeah.
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I don't think we have a lot of plastic sort of stuff in our room,
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but maybe it's the clothes You don't,
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but it's fibres, you see.
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So what you get is the synthetic fibre off the carpet,
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off the clothes and towels and what have you.
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So it's kind of different.
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You're thinking about the kitchen,
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but in fact what you're getting there are the fibres.
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And the same as in the bathroom,
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but also in the bathroom you've got complications with cosmetics and things like that.
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And as for the play area,
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it was heaviest not so much in fibres but plastic fragments.
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So do I have to chuck out all the kids' toys or the plastic?
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How worried should I be?
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A lot of parents are worried about this.
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I'm not the expert.
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They are progressively, some of them,
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changing to wooden toys and so on.
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What our resident expert Scott says is as long as you're vacuuming regularly,
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whether it's the carpet or your wooden floor,
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floor then you're getting rid of the plastic particles from the environment and that's probably the best thing you can do.
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It's easy to get panicked about all this so it's important to remember that the evidence for harm is not solid,
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well at least not yet.
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The question is how long do you wait for proof?
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So the experts say you should do what you can.
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So here's what I've done.
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I no longer wrap food in plastic wrap.
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Certainly got rid of plastic chopping boards you just don't know what's breaking off there.
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Plastic utensils which crumble in the heat.
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Nonstick cookware has gone from my household,
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gets scratched, you don't know what's coming off there.
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Trying very hard to get rid of plastic containers.
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Certainly don't put plastic in the microwave and don't put them in the dishwasher and replacing it with glass.
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Anytime you use a high wash cycle
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or high temperatures you are basically going to be eroding like micro erosion off the surface of those plastics
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that you've got in there so you're actually creating microplastics by putting them in your dishwasher.
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So have I scared you?
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A little bit.
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A little bit.
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So what people talk about a lot is that when you're changing curtains,
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renewing carpets, you look for natural fibres rather than synthetic mixes because that increases the flux of
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microplastics into your environment in general but those are slow processes
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and the interesting thing is that if everybody does that a little bit the market will change
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should be good and protect the health of people like sunny in the years to come yeah thanks norman

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About This Lesson

In this lesson, you will practice English speaking skills using a real-life conversation about microplastics in our homes. This content is perfect for learners interested in environmental issues and daily life dialogues. You'll enhance your comprehension and pronunciation by shadowing native speakers from the video. The engaging context will help you learn how to discuss everyday topics, particularly those related to health and safety in our homes. Through this practice, you will increase your fluency and confidence in speaking English while incorporating important vocabulary related to the modern world.

Key Vocabulary & Phrases

  • Microplastics - tiny fragments of plastic that are less than five millimeters in size.
  • Pollutants - substances that make something dirty or harmful.
  • Fridge - a common appliance used for storing perishable food items.
  • Tea bags - bags containing tea leaves, which may also contain microplastics.
  • Tupperware - a brand of plastic containers used for food storage.
  • Plastics - synthetic materials that can be hard or soft and are often used for packaging.
  • Dishwasher - a machine for washing dishes automatically.
  • Terrifying - causing great fear or anxiety.

Practice Tips

To make the most of this lesson, utilize the shadowing technique with the video. Begin by watching the transcript, then play the video in slow motion to catch every word. Repeat the phrases after the speakers, imitating their pronunciation, tone, and rhythm. The conversation about microplastics is conversational and relatable, making it easier for you to apply the vocabulary in your own discussions. Using a shadowing app can enhance your experience. Listen closely to how the speakers express concern over daily dangers, and practice speaking at a similar speed to build your confidence. Remember, practicing with shadowspeaks and engaging with the material regularly will significantly improve your fluency and help you learn English with YouTube effectively.

What is the Shadowing Technique?

Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.

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