What did Anne McLaren discover?

=> Dr Anne McLaren helped discover & develop the technology to grow embryos in vitro, which is a method widely used today, to grow embryos outside of the mammal's womb.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

assessment is the missing word