Imagine the magnificent glaciers of Greenland, the eternal snow of the Tibetan high mountains, and the permanently ice-cold ...

How do we determine how healthy our food is? We know now that our nutrition shouldn't just be measured in calories, or even ...

An experimental rationalization of the structure type encountered in DNA and RNA by systematically investigating the chemical and physical properties of alternative nucleic acids has identified ...

Polydiacetylenes (PDAs) possess dramatic chromatic transitions, which can be exploited to make stimuli-responsive sensors. Key to developing robust sensors is understanding the changes in molecular ...

GENEVA – UNHCR, the UN Refugee Agency, announced today the completion of a review of its activities, expenditure, staffing and structures, following a significant decline in humanitarian funding ...

Credit: Nature Communications (2025). DOI: 10.1038/s41467-025-56888-6 The structure showed 12 transmembrane helices in two pseudo-symmetric bundles and two periplasmic subdomains.

The molecular basis for RHD pseudogene or RHDpsi is a 37-bp insertion in exon 4 of RHD. This insertion, found in two-thirds of D-negative Africans, appears to introduce a stop codon at position 210.