The fetus does not reside in a sterile intrauterine environment and is exposed to commensal bacteria from the maternal gut/blood stream that cross the placenta and enter the amniotic fluid. This ...

1. The dispersal and population growth resulting from an invasion of Microtus californicus into an island free of voles were studied by analysing the vole runways intersecting three transects.

Some invasive plants can form persistent banks of seeds that remain under the soil for years, and this makes their eradication practically impossible. Over time, this invisible population of large ...

TAINAN, Taiwan — On a Friday morning in the southern city of Tainan, Shuixian Gong Market overflows with displays of shiny orange and silver fish, stacks of glistening pork ribs and crates of dragon ...