ngôn ngữ và văn hóa

Sep 20, 2023 ... Researchers have long thought this Amazonian dark earth—or terra preta—was created ... thousands of years before human intervention. To get to the ... Oct 23, 2024 ... Earth's climate has changed throughout history. Just in the last 800000 years, there have been eight cycles of ice ages and warmer periods, ... Sep 20, 2023 ... This “dark earth” has been found in and around human settlements dating back hundreds to thousands of years. And it has been a matter of ... Mar 22, 2022 ... Not coincidentally, hate crimes against refugees, immigrants, Muslims, and Jews have increased in recent years. Of the hate crimes motivated ... The abundance of sandstone cliffs has created thousands of ideal canvases ... Man has been in the American Southwest for over 10,000 years. The ... Aug 21, 2019 ... Mummy. “Dead man's head” was one part oil, one part amber resin, and too ​many ​parts Homo sapiens. It got its brown ... Sep 7, 2023 ... The glaze is made from the combination of silica, an alkali, and pigment. Silica is abundant in sand. Ashes created by burning plants are rich ... May 8, 2022 ... Several thousand years ago, humans reached a milestone in their ... have started as early as 23,000 years ago. Sprawling civilisations ... WHO creates first system for surveillance. During the seasonal flu epidemic of 1947, small changes in the composition of influenza viruses had made existing ... Cannabis use has a long history - it has been used to treat a vast array of medical and health problems ... For thousands of years they have shared and exchanged ...