The protection of water resources has become an ever-more urgent priority, and detecting leaks in drinking water distribution ...

Cosmologists are using cutting-edge computational tools to uncover the secrets of dark matter and dark energy, which together ...

The question left hanging in the chemical air was whether a methyl could have an independent existence. This caught the eye ...

3 The AV balance method can be expanded with the precursor product technique into what is called the three-pool model. This includes measurement of tracer/tracee enrichments ... of chromatography – ...

Sanders signed the law hours before Louisiana executed its first inmate with the nitrogen gas method. Arkansas is now the ...

Lawyers for Jessie Hoffman Jr. argued that using nitrogen hypoxia to put him to death would violate his constitutional rights ...

Death row inmate Jessie Hoffman's execution marks the first time Louisiana has used the method and is the state's first ...

Last year, a new execution method was used in the U.S. for the first time since 1982. Here’s a look at how people have been ...

Louisiana plans to use nitrogen gas to execute death row inmate Jessie Hoffman next week. Here's what to know about the ...