Contributed by Stephen W. Pacala, November 10, 2015 (sent for review August 19, 2015; reviewed by Gregg Marland, Steven C. Wofsy, and Mark D. Zoback) Past studies reporting divergent estimates of ...

Single-cell methods are beginning to reveal the intrinsic heterogeneity in cell populations, arising from the interplay of deterministic and stochastic processes. However, it remains challenging to ...

Subclinical hypothyroidism is defined as an elevated thyrotropin level with a normal free thyroxine (T 4) level. To confirm the diagnosis, a transient increase in thyrotropin should be ruled out by a ...

Many physical systems exhibit behaviour associated with the emergence of high-amplitude events that occur with low probability but that have dramatic impact. Perhaps the most widely known examples of ...

The diffusion model is a commonly used tool to infer latent psychological processes underlying decision-making, and to link them to neural mechanisms based on response times. Although efficient open ...

Group-III-nitride semiconductors have shown enormous potential as light sources for full-colour displays, optical storage and solid-state lighting. Remarkably, InGaN blue- and green-light-emitting ...