Artistic reconstruction of shallow marine faunas from the early Palaeozoic Era of North Dakota, spanning the Early (Left) to Middle (Right) Ordovician Period. Image credit: Franz Anthony (artist). The ...

Among them, Dux has been considered as a master inducer for regulating ZGA process (3 – 5). Dux (also named as Duxf3) in mice and its human homolog DUX4 are double homeodomain genes activated during ...

A yellow warbler is for the climate as a canary is for the coal mine ...

Flowering plants have evolved various types of physical defense mechanisms, such as thorns, prickles, and spines, to protect against herbivory. The common feature of these sharp structures is the ...

Longevity, measured by cohort life expectancy, has risen steadily in high-income countries since the early 1900s, raising expectations that this trend will continue. However, whether these gains will ...

Correction for Yang et al., How surface charges affect interdroplet freezing ...

† The author is a fellow of the Alfred P. Sloan Foundation. The results of this paper first appeared in April 1963 as a set of notes multilithed at Stanford University, and were presented at a lecture ...

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 insoluble ...

All known 4-manifolds invariants cannot distinguish a possible counterexample to the smooth 4-dimensional Poincare Conjecture from the standard 4-sphere. The L invariant, defined in this paper, can do ...

Contributed by John B. Goodenough, September 30, 2016 (sent for review August 24, 2016; reviewed by Ken Poeppelmeier and Jean-Marie Tarascon) ...

In March 1835, a young Charles Darwin was high up in the Andes and struggling to cook supper. “Our potatoes after remaining for some considerable time in the boiling water were nearly as hard as ever, ...

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 ...