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A new molecular test method helps to prove the authenticity of works of art. The new method could also help to make passwords secure against quantum computers. Instead of using algorithms, the met ...

After Alabama used nitrogen hypoxia in an execution last month, Kris Kobach now wants Kansas to legalize that method for death row inmates.

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The method involves putting a respirator-type face mask over the nose and mouth to replace breathable air with nitrogen, causing death from lack of oxygen.

Alabama will be allowed to put an inmate to death with nitrogen gas, a federal appeals court ruled Wednesday, refusing to block what would be the nation’s first

A federal appeals court says Alabama can carry out the nation’s first execution using nitrogen gas. A three-judge panel of the 11th U.S. Circuit Court of Appeals refused to block the execution of Kenneth Eugene Smith by nitrogen hypoxia. Alabama says it plans to replace the 58-year-old’s breathing air with nitrogen gas Thursday, rendering him unconscious within seconds and killing him within minutes. Critics say the execution method violates a constitutional ban on cruel and unusual ...

Alabama is one of three states, along with Oklahoma and Mississippi, that have authorized the use of nitrogen gas to execute prisoners.

Supreme Court denies Alabama hitman's bid to halt nitrogen hypoxia execution

Kenneth Eugene Smith is now awaiting an appeals court's decision to determine if he will be become the first person executed by nitrogen gas.

A federal appeals court says Alabama can carry out the nation’s first execution using nitrogen gas. A three-judge panel of the 11th U.S. Circuit Court of Appeals refused to block the execution of Kenneth Eugene Smith by nitrogen hypoxia. Alabama says it plans to replace the 58-year-old’s breathing air with nitrogen gas Thursday, rendering him unconscious within seconds and killing him within minutes. Critics say the execution method violates a constitutional ban on cruel and unusual ...