In 1916, Albert Einstein predicted the existence of gravitational waves. It took almost 100 years and the construction of the Laser Interferometer Gravitational-Wave Observatory (LIGO) to show that he was right. In 2015, a brilliant team of researchers detected gravitational ripples that had been generated by the collision of two black holes about 1.3 billion years ago.
The Centers for Medicare & Medicaid Services is planning a 33.4% cut to the reimbursement payments hospitals receive for all drugs acquired through the 340B program, according to a draft guidance published on July 7.
