Is the foam and scum on the Rotten Calder pollution?
Right from the start the Rotten Calder has foam on the surface with a scummy brown top. Is this pollution ? Where from? I investigate, collect water samples as the scenery changes, and test them to find out for certain.

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We Test 7 Tour De France Bikes From 7 Decades

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Too Good for the Luftwaffe: Heinkel He 112 – The Fighter Germany Rejected

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Bluthochdruck SOFORT senken ohne Tabletten - 3 TOP Methoden

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Ben Wikler - “This Is The Plan” & Taking On Elon Musk In Wisconsin | The Daily Show

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We Bought Temu's Craziest Product!!!

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This Sound Was Lost for 2,000 Years

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AQuA Training Part 1: Collecting Your Samples

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The Truth About the Stream That 'Nobody Survives'

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No Wings. No Fuselage: The Focke Ray – Germany's Flying Disc

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I hunt for the legendary Lanarkshire settlement of Caldervale and discover a treasure.

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This 1966 Millstone Technique Will Blow Your Mind—One Wrong Hit = Weeks of Work DESTROYED

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China quietly saved the world last month

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Engineers Were Amazed by This Genius Homemade Woodworking Tool from a 65-Year-Old Carpenter!

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Magnetron: Powerful, Dangerous, and Fascinating

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South Korea’s AI Bubble Just Popped

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Heron 1, John 0 - it should have been a walkover.

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Photographers Who Became Friends With Wildlife in the Sweetest Way! 😍🐾

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I react to what my trail camera captured

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REACHING THE LIMIT OF MY TINY CAR IN -51°C | EP7

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