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American magazine
Human sexually transmitted infections (STIs) are usually species‑specific, but some human pathogens originally came from animals through zoonotic jumps over long timeframes — for example HIV’s ancesto...
Physicists and science writers say the “internet” can be given a physical weight only by choosing a definition and a calculation method: using the mass of electrons that store bits yields vanishingly ...
Regulators and independent testers recorded multiple high‑profile warnings, recalls and quality‑control studies (2023–2025) showing memory and brain‑health supplements have been mislabelled, adulterat...