Contributed by Jean-Michel Savéant, August 31, 2014 (sent for review August 9, 2014; reviewed by Harry B. Gray and Alain Deronzier) ...

Intercalary meristems (IcMs) coordinate rapid stem elongation in monocots, yet their cellular organization and regulatory pathways remain largely uncharacterized due to their transient activity and ...

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Ferroptosis, a form of cell death driven by excessive lipid peroxidation, is induced by inhibiting GPX4, a key regulator of ferroptosis. Wang et al. reported that MALT1 protease activity regulates ...

The Middle Pleistocene (MP; ca. 774 to 129 ka) marks a critical period of human evolution, characterized by increasing behavioral complexity and the first unambiguous evidence of plant-based ...

Scientific understanding of microbial biogeography is particularly weak for soil bacteria, even though the diversity and composition of soil bacterial communities is thought to have a direct influence ...

Bhardwaj et al. (3) address this key issue for the human cortex using two approaches to determine whether there is (i) continuous production of a long-lived population of new neurons over the lifespan ...

Abstract Extracellular redox-active compounds, flavins and other quinones, have been hypothesized to play a major role in the delivery of electrons from cellular metabolic systems to extracellular ...

Arctic climate is projected to change dramatically in the next 100 years and increases in temperature will likely lead to changes in the distribution and makeup of the Arctic biosphere. A largely ...

Edited by Mildred Dresselhaus, Massachusetts Institute of Technology, Cambridge, MA, and approved May 13, 2010 (received for review April 8, 2010) ...

Edited by Pablo G. Debenedetti, Princeton University, Princeton, NJ, and approved April 11, 2014 (received for review December 17, 2013) ...

Lower socioeconomic status (SES) is a determinant of many of the health problems that emerge at older ages. The extent to which lower SES is associated with faster decline in age-related functions and ...