An international stem cell research team reports Wednesday that they have grown functioning human liver tissues in mice. The human liver "buds" implanted in the mice represent a first experimental ...

To continue from last week's column, another way to propagate plants is through grafting by either buds or scion. This method is used to create a new tree or shrub.

Researchers have uncovered the earliest example of a flower bud in a 164 million-year-old plant fossil in China. The discovery firmly pushes back the emergence of flowering plants into the ...