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Hace 3 días · The two discovered a new element in a molybdenum sample that was used in a cyclotron, the first element to be discovered by synthesis. It had been predicted by Mendeleev in 1871 as eka-manganese. In 1952, Paul W. Merrill found its spectral lines in S-type red giants.
8 de jun. de 2024 · For centuries, scholars have searched in vain for any remnant of Solomon’s Temple. The fabled Jerusalem sanctuary, described in such exacting detail in 1 Kings 6, was no doubt one the most stunning achievements of King Solomon in the Bible, yet nothing of the building itself has been found because excavation on Jerusalem’s Temple ...
24 de jun. de 2024 · A sequence of letters belonging to an ancient alphabet has been discovered in a most unusual way — by someone scrolling through social media. The inscription, on a slate slab unearthed in Spain...
Hace 3 días · Herculaneum was discovered in 1709, and systematic excavation began there in 1738. Work did not begin at Pompeii until 1748, and in 1763 an inscription (“Rei publicae Pompeianorum”) was found that identified the site as Pompeii.
Hace 3 días · Early history. Around 330 BCE, the Greek philosopher Aristotle proposed that everything is made up of a mixture of one or more roots, an idea originally suggested by the Sicilian philosopher Empedocles. The four roots, which the Athenian philosopher Plato called elements, were earth, water, air and fire.
11 de jun. de 2024 · Qin tomb, major Chinese archaeological site near the ancient capital city of Chang’an, now near the modern city of Xi’an. It is the burial site of the emperor Shihuangdi and is perhaps best known as the location where 8,000 life-size terra-cotta warriors were discovered in 1974.
Hace 2 días · Otodus megalodon ( / ˈmɛɡələdɒn / MEG-əl-ə-don; meaning "big tooth"), commonly known as megalodon, is an extinct species of giant mackerel shark that lived approximately 23 to 3.6 million years ago (Mya), from the Early Miocene to the Pliocene epochs.
