Lifestyle drug market booming

The booming Medicaid market.

D entistry is in the midst of a major transition. One key driver of change is the Affordable Care Act (ACA), which has many provisions relevant to the dental care sector. A key provision of the ACA is Medicaid expansion, which has the potential to reshape the dental benefits landscape considerably. Let’s first look at trends in Medicaid before ACA. For more than a decade, public health insuranc...

Study of China’s online catering market under the booming of online group purchasing

Booming Sand Dunes

Booming” sand dunes have a remarkable capacity to produce sounds that are comparable with those from a stringed instrument. This phenomenon, in which sound is generated after an avalanching of sand along the slip face of a dune, has been known for centuries and occurs in at least 40 sites around the world. A spectral analysis of the sound shows a dominant frequency between 70 and 110 Hz, as wel...

Booming sand dunes: field measurements

Booming dunes” are large desert sand dunes that make a loud droning or humming noise during an avalanching of sand. The phenomenon has been observed for censturies, yet it remains largely unexplained. This note demonstrates that the booming frequency does not scale with the size of the particle or with the shearing speed of the avalanching sand. Instead, the dune may act as a waveguide with a f...

China's counterfeit medicine trade booming.