Proceedings of the National Academy of Sciences, Volume 122, Issue 15, April 2025. SignificanceUp to 30% of couples experience spontaneous pregnancy loss. Despite progress in genetic testing, the etiology of
Proceedings of the National Academy of Sciences, Volume 122, Issue 15, April 2025. SignificanceThe microenvironment around catalytic sites, created by the precisely arranged amino acid residues, has been proved to
Proceedings of the National Academy of Sciences, Volume 122, Issue 15, April 2025. SignificanceAlthough the critical role of ID3 as an immunomodulatory molecule in immune cells has been extensively studied,
Proceedings of the National Academy of Sciences, Volume 122, Issue 15, April 2025. SignificanceProteins and enzymes in the bloodstream are kept within physiological and clinically relevant concentrations by mechanisms not
Proceedings of the National Academy of Sciences, Volume 122, Issue 15, April 2025. SignificanceThe vocabulary of any language emphasizes some areas more than others, and the number of terms for
We’ve long known that the gut microbiome plays a huge role in digestion — but current research keeps revealing just how deeply these microbes are tied to our overall health.
Astronomers have spotted a small, but potentially significant biosignature outside the solar system — but so far remain cautious about declaring it a conclusive sign of life, because there is
Tracking migrants is a challenging task that policymakers, researchers and humanitarian organizations have long struggled to achieve. The data they use is often outdated, incomplete and inconsistent and this hampers
Just because Homo sapiens hadn’t yet developed the SPF rating system 41,000 years ago didn’t mean that they were unaware that solar radiation could prove hazardous. H. sapiens applied some
Crocodiles are persistent — not just in their deadly pursuit of prey, but in terms of their existence. The contemporary species hails from a 230-million-year lineage that has survived two
