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Pierre Janssen

astronomy
Pierre Janssen and the Discovery of Helium

Pierre Janssen and the Discovery of Helium

Harald Sack
When watching the total eclipse on August 18, 1868 in Madras, British India, French astronomer Pierre Janssen discovered the new chemical element Helium. Janssen also is credited with discovering the gaseous nature of the solar chromosphere. Youth and Education Janssen was born in Paris in 1824. An accident when he was young left him extremely lame and it is for this reason that he was unable to go to school. He studied at…
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journalism
The World’s most important Scientific Journal – Nature

The World’s most important Scientific Journal – Nature

Tabea Tietz
On 4 November 1869, the very first issue of the prominent interdisciplinary scientific journal ‘Nature‘ was published. It is widely regarded as one of the few remaining academic journals that publish original research across a wide range of scientific fields and was ranked the world‘s most cited journal. Scientific Journals The history of scientific journals dates from 1665, when the French Journal des sçavans and the English Philosophical Transactions of the Royal…
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