Hernando de Soto explored present-day southeastern North America in the 1540s, searching for wealth and a possible overland route to the Pacific Ocean. Francisco Vasquez de Coronado explored present-day southwestern North America in the 1540s, searching for the legendary Seven Cities of Cibola and Quivira, rumored to be rich in gold and silver. Juan Rodriguez Cabrillo explored the west coast of North America in the 1540s, mapping the coastline and claiming present-day California for Spain.
Doctor in marine corrosion and expert in conservation-restoration of metals, Jean-Bernard Memet explains how the phenomenon of concretion can imprison the elements of a wreck. Including pirate bones?... Jean-Bernard Memet will be the guest of Sciences et Avenir on Twitch at 5:30 p.m. The knife of
Since the end of the 18th century, numerous travelers have left in writing mentions and brief descriptions of some curious dolmens scattered on both sides of the Caucasus mountain range, on its western slope, between Abkhazia and the Tamán peninsula. But it would not be until the end of the 19th ce
Two hundred years after their disappearance, proof of the survival of some survivors of the La Pérouse expedition was discovered on the island of Vanikoro in the Pacific Ocean in 1999. New clues now suggest that some sailors may have managed to leave the island…. King Louis XVI giving his instruct
After the discovery of a protein in a 3.5 million year old fossil camel, another macromolecule older than 300,000 years was isolated in an eggshell in Tanzania. Proteins resist the wear and tear of time better than DNA. An ostrich and eggs:their shells are capable of preserving proteins for millio