Quantum key distribution (QKD) 1 , 2 has the potential to enable secure communication and
information transfer 3 . In the laboratory, the feasibility of point-to-point QKD is evident from …

Background Somatic mutations in the gene for the epidermal growth factor receptor (EGFR)
are found in adenocarcinomas of the lung and are associated with sensitivity to the kinase …

Background— Treatments for non–ST-segment–elevation myocardial infarction (NSTEMI)
reduce ischemic events but increase bleeding. Baseline prediction of bleeding risk can …

Cardiovascular disease is the leading cause of mortality in American women. Since 1984,
the annual cardiovascular disease mortality rate has remained greater for women than men; …

Based on a sample of venture capital (VC)-backed IPO firms, we examine whether tolerance
for failure spurs corporate innovation. We develop a novel measure of VC investors' failure …

To understand the origins and function of the human germ cell lineage and to identify germ
cell-specific markers we have isolated a human ortholog of the Drosophila gene vasa. The …

We examine a comprehensive sample of going-dark deregistrations where companies cease
SEC reporting, but continue to trade publicly. We document a spike in going dark that is …

Coronavirus disease 2019 (COVID-19) has been declared a pandemic in 2020 [1]. Preliminary
data suggests that obesity may aggravate the severity of respiratory diseases and of …

Objectives : Our goal was to compare trends in the prevalence and outcomes of the radial
and femoral approaches to percutaneous coronary intervention (PCI) in contemporary clinical …

Endothelial nitric oxide synthase (eNOS) is critical in the regulation of vascular function, and
can generate both nitric oxide (NO) and superoxide (O 2 •− ), which are key mediators of …