Related by context. Frequent words. (Click for all words.) 71 Antikythera Mechanism 55 amphorae 53 antiquity 53 Radiocarbon dating 53 ancient 52 astrolabe 52 Mycenaean 52 camera obscura 52 amphora 52 feathered dinosaurs 51 Egyptian pyramids 51 radiocarbon dating 51 papyri 51 Etruscans 51 Byzantine era 50 astronomical telescope 50 superlens 50 Sumerians 50 flint tools 50 Minoan 50 Egyptian hieroglyphics 50 Cheops 50 #BC [003] 50 Bronze Age 50 braincase 50 spectral imaging 50 ancients 50 geoid 50 neolithic 50 classical antiquity 49 irreducibly complex 49 Voyager spacecraft 49 Palaeolithic 49 radiocarbon dated 49 archaeologists 48 colliders 48 Viking landers 48 Step Pyramid 48 paleoclimate 48 archaeological finds 48 nanomechanical 48 Galileo spacecraft 47 codices 47 icy moons 47 holography 47 ancient Greek 47 undersea volcanoes 47 Archaeopteryx 47 faience 47 ancient Greeks 47 Burgess Shale 47 stelae 47 Lake Vostok 47 astronomical observatory 47 prehistoric 47 Harappan 47 baleen whale 47 elemental composition 47 biomimetics 47 Ptolemaic 47 ancient Babylon 47 pottery fragments 47 hydrothermal vent 47 Holography 47 henge 47 Earthlike 47 Knossos 47 tokamak 47 hadrosaur 47 particle detectors 46 figurative sculpture 46 alchemical 46 artefact 46 subatomic particle 46 archeologists 46 quantum entanglement 46 #BC [002] 46 trackway 46 Iron Age 46 noble gases 46 tetrapod 46 interplanetary spacecraft 46 Archimedes 46 carnivorous dinosaur 46 artifact 46 nanosized 46 Otzi 46 flints 46 planet Uranus 46 whale skeleton 46 Einstein theories 46 Hubble Telescope 46 radiocarbon 46 James ossuary 45 Gansus 45 microscopy techniques 45 Isambard Kingdom Brunel 45 ancient relics 45 illuminated manuscript 45 nanomachines 45 nautilus