Optum Rx, a pharmacy benefit manager owned by one of the country’s largest insurance companies, UnitedHealth Group, has added a new, much-anticipated pain drug to some of its commercial formularies.

Albert Einstein, in 1905, presented the revolutionary idea of light quanta of energy which equals ħw, where ħ is reduced Planck's constant. There is plenty of experimental evidence on magnetic ...

Theoretical physicists have proposed a potential solution to one of the most puzzling problems in modern physics: the black hole singularity paradox. By modifying Einstein's theory of general ...