There are certain ancient artefacts that prompt questions, baffle scientists and spur all kinds of conspiracy theories. Some people interpret these out-of-place artefacts – dubbed ‘ooparts’ – as evidence of ancient visitations by extraterrestrials. But I have another idea… In 1998, a Russian research team discovered a rock in the Kaluga region of Russia, with… Continue reading Researchers have discovered footprints, screws and microchips that are millions of years old