Practical information/skills

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How to make toothpaste #DIY

I'm going to explain whether you like it or not, why you should stop using aluminium. Aluminum (Al) is often classified as a heavy metal in the context of toxicology and environmental health, despite being a lightweight metal in physical terms—it's grouped this way due to its potential for bioaccumulation and toxicity similar to classic heavy metals like lead or mercury. Unlike essential metals, aluminum has no known biological role in the human body and can accumulate in tissues such as bones, lungs, brain, and kidneys, leading to a range of adverse effects. Chronic exposure to elevated levels of aluminum is linked to several health issues. Health Issues: Neurological: Linked to cognitive decline, dementia-like symptoms, and possible Alzheimer’s risk via neurotoxicity. Reproductive: Reduces hormones like testosterone, impacting fertility. Cardiovascular: Causes inflammation, increasing risks of hypertension and heart disease. Organ Damage: Affects kidneys, liver, and bones, especially in vulnerable groups (e.g., children, kidney-impaired). Coffee and Aluminum Interaction: Acidic Reaction: Coffee (pH 4.5-5.5) contains organic acids (e.g., chlorogenic, citric) that dissolve aluminum’s protective oxide layer (Al₂O₃), releasing Al³⁺ ions: Leaching: Hot coffee (90-100°C) in percolators increases aluminum release (0.5-2 mg/L), especially in new or scratched pots, raising daily intake above WHO’s 2 mg/kg weekly limit. Worsened Effects: Al³⁺ ions may form pro-oxidant complexes, generating free radicals that amplify cellular damage and potentially alter coffee’s chemistry, increasing health risks.

🇪🇺 House Prices since 2015: Did your wage rise as much?

How to make diesel #DIY

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How Soviet Economic Planning Worked — And Why It Failed https://youtu.be/lIAByU9FjBQ

How to make gunpowder DIY

🚨 How to Emergency Rappel 🚨 If you ever need to descend a cliff without proper gear, here’s a quick survival method: 1️⃣ Find a strong anchor (tree or rock) and secure the rope. 2️⃣ Throw both rope ends over the edge. 3️⃣ Face uphill, straddle the rope, and wrap it around your body as shown. 4️⃣ Lean back, hold the rope, and step backwards down the cliff. 5️⃣ Keep feeding the rope until you reach the bottom. 6️⃣ Once safe, pull one end to retrieve the rope.

🥛Microplastics in Baby Feeding Bottles New research from Vrije Universiteit Amsterdam shows that how milk is stored and fed matters as much as what’s inside it. • Breast milk itself is safe — but when it’s pumped and stored in plastic bottles, microplastics leach into it. • Infant formula, often mixed and fed in plastic bottles, showed the highest concentrations of microplastics. • Glass bottles carried far less risk, highlighting that it’s the plastic contact that contaminates the milk. Babies are being exposed to plastic particles from the very first meals of their lives — not because of what they drink, but because of what it’s stored in. The takeaway: if you want to minimize exposure, choose glass over plastic. https://vu.nl/en/about-vu/faculties/faculty-of-science/more-about/research-into-microplastics-in-breast-milk-formula-and-baby-bottles

How to make gasoline #DIY

👩 babe wakeup, a new goverment created virus just got released