Polonium

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  NASA and ESA Trace Mysterious Lunar Flashes to Meteors and Gas Leaks

  Transient Lunar Phenomena are mysterious bursts and glows observed on the Moon, lasting from milliseconds to hours. NASA and ESA research show that these events often result from meteoroid impacts, radon gas outgassing, and dust charged by solar wind, illuminating the Moon’s dynamic surface in surprising ways.

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  Ștefania Mărăcineanu Honoured With Google Doodle Celebrating the Romanian Physicist's 140th Birthday

  Ștefania Mărăcineanu, a Romanian physicist, has been honoured on her 140th birthday with a Google doodle. Mărăcineanu’s PhD thesis was on polonium, an element that physicist Marie Curie discovered. She never received global recognition for her contribution to the discovery of artificial radioactivity.

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  No Radioactive Substance Found In Sunanda Pushkar's Body: FBI Report

  Sunanda Pushkar, wife of Congress lawmaker Shashi Tharoor, did not die due to poisoning by polonium or any other radioactive substance, the Federal Bureau of Investigation (FBI) in the US has concluded.

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  Polonium Used to Poison Russian Spy May Have Harmed Londoners: Inquiry

  An unknown number of Londoners might have been put at risk by the 2006 poisoning of ex-KGB agent Alexander Litvinenko with a radioactive isotope, which amounted to "a nuclear attack on the streets" of the British capital, an inquiry heard on Thursday.

• "I Am Stunned," Says Shashi Tharoor. Read His Full Statement.

  Congress MP Shashi Tharoor has said that he is stunned to know that his wife Sunanda Pushkar was poisoned, and that a murder case has been filed by the police.

• Iconic Palestinian Leader Yasser Arafat's Death: Natural Causes or Poisoning?

  Did he die naturally or was he poisoned by polonium? A look at 10 years of research since the mysterious death of Yasser Arafat, the Palestinians' iconic national leader.

• Yasser Arafat did not die of poisoning, French tests conclude

  Yasser Arafat was not the victim of poisoning, French forensic scientists concluded on Tuesday, countering a Swiss report on the 2004 death of the Palestinian leader that found he was probably killed with radioactive polonium.

• Old assumptions questioned in Yasser Arafat's mysterious death

  President Yasser Arafat's spartan bedroom remains largely as he left it in 2004, when he flew off to France for treatment for a mystery illness only to return home two weeks later in a coffin.

• Yasser Arafat ingested deadly polonium: Swiss lab

  Palestinian leader Yasser Arafat ingested lethal radioactive polonium before his death nine years ago, and it could not have been by accident, Swiss scientists said on Thursday.

• Israel says did not poison Yasser Arafat

  Israel said on Thursday it did not poison Yasser Arafat, making the denial after the Palestinian leader's widow said Swiss forensic tests had proven he died from radioactive polonium poisoning in 2004.

• Tests point to polonium poisoning in Yasser Arafat death: report

  Swiss scientists have concluded Palestinian leader Yasser Arafat is likely to have died from polonium poisoning

• Yasser Arafat was poisoned with polonium, say experts

  Swiss radiation experts have confirmed they found traces of polonium on clothing used by Yasser Arafat which "support the possibility" the veteran Palestinian leader was poisoned.

• 60 samples taken in Yasser Arafat poison probe: Reports

  Around 60 samples were taken from the remains of the late Palestinian leader Yasser Arafat for a probe into whether he was poisoned by polonium, a Swiss newspaper reported on Sunday, quoting a lead investigator.

• Swiss lab to analyse Arafat remains for poisoning: Hospital

  A Swiss radiology lab said on Friday that it will test the remains of the late Palestinian leader Yasser Arafat for polonium poisoning after receiving the go-ahead from his widow.

• WikiLeaks: New light shed on ex-KGB man's poisoning

  Shortly after the radiation poisoning in London of a former K.G.B. officer, Alexander V. Litvinenko, a senior Russian official asserted that Moscow had been tailing his killers before he died but had been waved off by Britain's security services, according to a cable in the trove of secret American documents released by WikiLeaks. The Russian asser...