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Species of mammal
Claims that Antarctic ice melt is "revealing an ancient civilization" are not supported in the available reporting; recent studies describe ancient landscapes, Million‑year‑old ice and feedbacks in ic...
Yes — has been higher at many times in Earth's deep past, but not during the span of human history and almost certainly not within the last million years; modern CO2 concentrations are unprecedented i...
Multiple systematic studies of alleged Bigfoot/Yeti samples have found mitochondrial (maternal-line) sequences that match modern humans or known animals, and in peer-reviewed work none of the mitochon...