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In these entertaining episodes our Chemical Reporter answers questions on Chemistry in our everyday life.

Close up shot of lemons cut in half

Why do you wince when you bite into a lemon?

Preview MP3 (3.07 MB)

Macro shot two leaves

What are fungicides?

Preview MP3 (3.70 MB)

Wall with paint chipping off and a mirror with a doors reflection

Why does a mirror grow dark?

Preview MP3 (3.38 MB)

Big red drums and small white bottle to store coolant

How do engine coolants work?

Preview MP3 (4.10 MB)

Black umbrella with rain

How is artificial rain produced?

Preview MP3 (3.75 MB)

Close up shot of a sparkler

How does a sparkler work?

Preview MP3 (3.09 MB)

Row of glass bottle tops

How do you brew non-alcoholic beer?

Preview MP3 (3.37 MB)

Silver faucet with water droplet

What does it mean when people talk about "hard water"?

Preview MP3 (3.23 MB)

Gold spoon with small pills

What's the difference between sugar and artificial sweetener?

Preview MP3 (3.65 MB)

Black pan

How does the non-stick surface in a pan work?

Preview MP3 (3.36 MB)

Woman with wavy red hair

What is the chemistry behind a permanent wave hairstyle?

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Smiling woman holding a glue tooth brush with toothpaste

Why does fluoride make your teeth hard?

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potatoes and eggs

Why do potatoes get softer when you cook them, while eggs get harder?

Preview MP3 (3.16 MB)

Multiple wine bottles with corks

What’s the significance of that percentage number on the label of a bottle containing an alcoholic beverage?

Preview MP3 (3.42 MB)

Green leaf with co2 cut out

What is carbon dioxide?

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fossilized bones

What is the radiocarbon dating method?

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Why does silver inhibit bacterial growth?

Preview MP3 (3.34 MB)

Yellow sponge

What are sponges made of?

Preview MP3 (3.74 MB)

Whip cream in a glass cup

Why does cream turn to whipped cream when you whip it?

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Why does your urine smell so different after you`ve eaten asparagus?

Preview MP3 (3.11 MB)

Red cherries

Why do cherries burst when it rains?

Preview MP3 (2.73 MB)

Coffee Beans

Why does caffeine have a stimulating effect?

Preview MP3 (3.13 MB)

Stack of blue jeans

What makes blue-jeans blue?

Preview MP3 (3.49 MB)

Ketchup pouring out of a bottle

Why is it sometimes so hard to get ketchup out of the bottle?

Preview MP3 (3.01 MB)

Glass of white milk foam

Why does milk form a skin on top when you cook it?

Preview MP3 (2.83 MB)

Black pencil tip

What´s the difference in carbon between a pencil lead and a diamond?

Preview MP3 (3.09 MB)

Pile of colourful rubber bands

What gives a rubber band its elasticity?

Preview MP3 (2.87 MB)

Meat roasting on a grill

What happens to meat when you roast it?

Preview MP3 (3.02 MB)

Spider web

What is spider silk made of?

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Line of clothes at a dry cleaner

What is dry-cleaning?

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Tractor driving on a road surrounded by snow

Why does ice melt when you sprinkle salt on it?

Preview MP3 (3.04 MB)

Tv monitor displaying sandy beach

How does a plasma monitor work?

Preview MP3 (2.88 MB)

Black dress show with shoe polish and a brush

What is shoe polish made of?

Preview MP3 (2.74 MB)

Green glow sticks

How does a glow stick work?

Preview MP3 (2.89 MB)

Calculator screen with 499.56

What are liquid crystals?

Preview MP3 (3.61 MB)

Happy boy pulling cling wrap

What is cling film made of?

Preview MP3 (3.09 MB)

Hands rubbing cream

What are emulsifiers?

Preview MP3 (3.15 MB)

Three pearls in Oyster shell

What is mother-of-pearl?

Preview MP3 (3.12 MB)

Woman rubbing conditioner in her hair

How does conditioner make your hair soft?

Preview MP3 (2.93 MB)

Hands pulling apart florescent plastic sheet

What are bioplastics?

Preview MP3 (3.76 MB)

Sink drain with water pouring on it

How does a drain cleaner work?

Preview MP3 (3.44 MB)

Back of older lady's grey hair

Why does hair turn grey?

Preview MP3 (2.97 MB)

Cubes of brown sugar

Why is sugar sticky?

Preview MP3 (2.68 MB)

Droplets of oil in water

Why can´t you mix oil and water?

Preview MP3 (2.94 MB)

Woman feeling the softness of her sweater

How does fabric softener make your laundry soft?

Preview MP3 (2.92 MB)

Red and yellow fertilizing tractor in a field

What does fertilizer have to do with plant growth?

Preview MP3 (3.48 MB)

Black bullet proof vest

What´s a bullet-proof vest made of?

Preview MP3 (3.33 MB)

Cloves of garlic

Why do you get garlic breath?

Preview MP3 (3.31 MB)

Person pouring oil into a funnel

What does the SAE classification on motor oil cans mean?

Preview MP3 (3.58 MB)

Brown leather

How is leather produced?

Preview MP3 (2.87 MB)

Photo developing film

What happens to film when it is developed?

Preview MP3 (3.50 MB)

Colourful gum balls

What is chewing gum made of?

Preview MP3 (3.35 MB)

Beakers with smoke coming out

What is dry ice?

Preview MP3 (2.97 MB)

Dimmed florescent tube lights

How does a fluorescent lamp work?

Preview MP3 (2.71 MB)

White can with red cap spraying airsol

How do air fresheners work?

Preview MP3 (2.88 MB)

Coffee cup and saucer

Why does coffee smell so good?

Preview MP3 (2.59 MB)

Legs hanging over a pool

How do tanning creams make our skin turn brown?

Preview MP3 (2.89 MB)

How does a pocket warmer work?

Preview MP3 (2.97 MB)

Lit match stick

What makes a match ignite?

Preview MP3 (2.92 MB)

White powder laundry detergent with blue grains pouring out of plastic cup

What does laundry detergent consist of?

Preview MP3 (3.14 MB)

Stainless steel drink mixing kit

What makes steel stainless?

Preview MP3 (2.54 MB)

Tooth brush with blue toothpaste

How does toothpaste clean our teeth?

Preview MP3 (2.81 MB)

Fireworks in night sky

How does fireworks function?

Preview MP3 (3.00 MB)

Blonde woman looking at herself in the mirror with gold frame

How is a mirror assembled?

Preview MP3 (2.97 MB)

Green highlighter making a line on white paper

Why is a highlighter pen fluorescent?

Preview MP3 (2.59 MB)

Two yellow bananas

Why do bananas turn brown through cold?

Preview MP3 (2.91 MB)

Yellow and red flame

Why does baking powder put out a fire?

Preview MP3 (2.97 MB)

Why does a kettle calcify?

Preview MP3 (2.80 MB)

How does a deodorant work?

Preview MP3 (3.36 MB)

Red and yellow chilli peppers

What makes a chili pepper have a hot fiery flavor?

Preview MP3 (2.92 MB)

Why does silver tarnish?

Preview MP3 (2.58 MB)

Red, geen and yellow pile of maple leaves

Why is fall foliage so colourful?

Preview MP3 (2.66 MB)

What makes a car’s paint scratch-resistant?

Preview MP3 (2.76 MB)

Man with a mohawk smiling

How does hair styling gel work?

Preview MP3 (2.72 MB)

White onion

Why does chopping onions make us cry?

Preview MP3 (2.56 MB)

How does soap clean our hands?

Preview MP3 (2.38 MB)

Refrigerator filled with vegetables and food pots

What makes a refrigerator cold?

Preview MP3 (2.95 MB)

Line of clothes hanging on a silver pole

Why do colors fade?

Preview MP3 (2.61 MB)

What does the gasoline octane rating represent?

Preview MP3 (2.56 MB)

Concrete being poured

What is concrete made of?

Preview MP3 (3.16 MB)

Water boiling in a silver pot

How is mineral water carbonated?

Preview MP3 (3.02 MB)

How does an automotive catalytic converter work?

Preview MP3 (2.98 MB)

Women's pointy leather shoes with laces

How are leather shoes made rainproof?

Preview MP3 (2.98 MB)

Stack of brown paper

How is paper made tear-proof?

Preview MP3 (2.68 MB)

What does actually take place when we color our hair?

Preview MP3 (2.78 MB)

close up of AA battery top

How does a battery work?

Preview MP3 (2.74 MB)

Waves in the sea

Why can’t we drink seawater?

Preview MP3 (2.88 MB)

close up on woman's laugh

Why is laughing gas actually called laughing gas?

Preview MP3 (2.16 MB)

How does sunscreen lotion protect our skin?

Preview MP3 (3.15 MB)

Two ants walking on a white surface

Is formic acid derived from ants?

Preview MP3 (2.69 MB)

Cute baby in diapers sleeping

What makes baby diapers so absorbent?

Preview MP3 (2.68 MB)

How does an ink eraser erase ink?

Preview MP3 (2.70 MB)

Woman applying lipstick

What makes lipstick kiss-proof?

Preview MP3 (2.84 MB)

Close up of a glass beaker with foam bubbles

Why does foam lather?

Preview MP3 (2.88 MB)

Why does natural gas have an odor?

Preview MP3 (2.42 MB)

Firefly

Why do fireflies glow?

Preview MP3 (2.53 MB)

Why is glass transparent?

Preview MP3 (2.04 MB)

How do solar panels work?

Preview MP3 (2.03 MB)

Clear sticky substance being pulled apart

Why does glue stick?

Preview MP3 (2.33 MB)

Mens dress shirt hanging

What makes a non-iron shirt wrinkle free?

Preview MP3 (2.26 MB)