Ten thousand years ago human societies around the globe began to transition from hunting
and gathering to agriculture. By 4000 years ago, ancient peoples had completed the …

Experiments in which calcium chloride displaced sodium chloride from four cores showed the
extent of asymmetry in the resulting effluent concentration profiles. These results provided …

Background: Hepatitis C virus (HCV) is a leading cause of hepatocellular carcinoma (HCC).
In the United States, this form of cancer occurs in approximately 15 000 persons annually. A …

… cancer incidence in 2020 and 2030 reported by Smith and colleagues (3) assumed that
origin-… BD Smith received commercial research grant from Varian Medical Systems. No potential …

An endogenous growth model with multiple assets is developed. Agents who face random
future liquidity needs accumulate capital and a liquid, but unproductive asset. The effects of …

Purpose By 2030, the United States’ population will increase to approximately 365 million,
including 72 million older adults (age 65 years) and 157 million minority individuals. Although …

A growing theoretical literature describes mechanisms whereby even predictable increases
in the rate of inflation interfere with the ability of the financial sector to allocate resources …

… this paper uses a variant of the Bencivenga-Smith model. There intermediaries alter the social
composi… Relative to the Bencivenga-Smith model, the model of Section 2 contains several …

Objective. —To evaluate the efficacy and safety of high-dose tacrine hydrochloride over 30
weeks in patients with probable Alzheimer's disease. Design. —A 30-week randomized, …

The analysis of complex multiphysics astrophysical simulations presents a unique and rapidly
growing set of challenges: reproducibility, parallelization, and vast increases in data size …