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7 hours ago · Scientists discover iron as key to cheaper, greener batteries. Trending Now. New calculations offer a closer peek at Pluto’s ocean. How air pollution damages our digestive system.
1 day ago · Cyanobacteria use photosynthetic pigments, such as various forms of chlorophyll, carotenoids, phycobilins to convert the energy in sunlight to chemical energy. Unlike heterotrophic prokaryotes, cyanobacteria have internal membranes. These are flattened sacs called thylakoids where photosynthesis is performed.
7 hours ago · The period between the 9th and the 13th centuries in China, a largely temperate climate span that followed an interval of punishing droughts, was a time of pivotal economic and environmental transformation. The Song dynasty, chronologically divided into the Northern Song (960–1127) and the Southern Song (1127–1276) periods, dominated the ...
7 hours ago · May 25, 2024 at 9:54 pm EDT. + Caption. (Michael Ochs Archives/Getty Images) Doug Ingle, who co-founded the 1960s rock band Iron Butterfly and co-wrote the group’s signature hit, “In-A-Gadda-Da-Vida, died Friday. He was 78. >> Read more trending news. The death of Ingle, who sang and played the organ for the group, was announced by his son ...
1 day ago · Search the best deals on Ocean City Maryland rentals. Compare rental rates and availability for Ocean City condo & vacation rentals in Ocean City MD and book your OC condo or beach house online.
1 day ago · Etymology The English word sun developed from Old English sunne. Cognates appear in other Germanic languages, including West Frisian sinne, Dutch zon, Low German Sünn, Standard German Sonne, Bavarian Sunna, Old Norse sunna, and Gothic sunnō. All these words stem from Proto-Germanic * sunnōn. This is ultimately related to the word for sun in other branches of the Indo-European language ...
1 day ago · Iron smelting has been dated to 2,000 BC in southeast Nigeria. Central Africa provides possible evidence of iron working as early as the 3rd millennium BC. [63] Iron smelting developed in the area between Lake Chad and the African Great Lakes between 1,000 and 600 BC, and in West Africa around 2,000 BC, long before the technology reached Egypt.
