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Document Happy fathers day Father's day is observed to honour the importance of dads in their children's lives. In most countries, including US, the day is celebrated on the third Sunday of June, although in Spain and Portugal, it is observed on March 19, the Feast of St. Joseph. Taiwan, Thailand, and Russia all commemorate it on August 8, December 5, and February 23, respectively. India adheres to the same schedule as the United States. Father's day is observed to honour the importance of dads in their children's lives. In most countries, including US, the day is celebrated on the third Sunday of June, although in Spain and Portugal, it is observed on March 19, the Feast of St. Joseph. Taiwan, Thailand, and Russia all commemorate it on August 8, December 5, and February 23, respectively. India adheres to the same schedule as the United States. Father's day was

Document Stefania Maracineanu: tribute to Romanian physicist on her 140th birth anniversary Stefania Mărăcineanu Stefania graduated with a physical and chemical science degree in 1910, and began her career as a teacher at the Central School for Girls in Bucharest. Mărăcineanu graduated with a physical and chemical science degree in 1910, and began her career as a teacher at the Central School for Girls in Bucharest. During this time, she earned a scholarship from the Romanian Ministry of Science and later decided to pursue graduate research at the Radium Institute in Paris. Notably, at that time, the institute was becoming a centre for the study of radioactivity worldwide under the direction of physicist Marie Curie. Maracineanu began working on her PhD thesis on polonium — the