Your baby’s gut is crawling with unknown viruses

Babies tumble about with more than 200 previously unknown viral families within their intestines. This large number comes as a surprise to researchers, who closely studied the diapers of 647 Danish babies and made this mapping. These viruses most likel…

Merons and antimerons

Sliding and twisting of van der Waals layers can produce fascinating physical phenomena. Scientists show that moirĂ© polar domains in bilayer hBN give rise to a topologically non-trivial winding of the polarization field, forming networks of merons and …