Mechanism of action of penicillins: a proposal based on their structural similarity to acyl-D-alanyl-D-alanine.

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 ...

We found seven olivine-bearing fragments in lunar samples returned by the Chang’e-6 mission from a huge, ancient (pre-Nectarian) basin on the far-side of the Moon. We identified these uncommon clasts ...

Emotions coordinate our behavior and physiological states during survival-salient events and pleasurable interactions. Even though we are often consciously aware of our current emotional state, such ...

Assessing the ergodicity of graphene liquid cell electron microscope measurements, we report that loop states of circular DNA interconvert reversibly and that loop numbers follow the Boltzmann ...

ON FORCE-FREE MAGNETIC FIELDSNote: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear immediately ...

A Biometric Study of Human Basal MetabolismOptimism is a psychological attribute characterized as the general expectation that good things will happen, or the belief that the future will be favorable ...

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THE STRUCTURE OF THE PHENYLALANINE-HYDROXYLATION COFACTORNote: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will ...

R.D.M. wrote the paper. J. Zhang, J. Hu, Dynamics of longitudinal Hawaiian hotspot motion and the formation of the Hawaiian-Emperor Bend. Proc. Natl. Acad. Sci. U.S.A ...

Humpback whale (Megaptera novaeangliae) diving. X-ray ptychography is an imaging technique that could potentially produce single-digit, nanometer-scale visualizations of internal structures without ...

Meteorites provide important information about the formation of the Solar System and the distribution of solids and volatiles throughout it. However, meteorites that land on Earth display biases ...