Can IVF Save the Northern White Rhino from Extinction?
This month's best science images, selected by Nature's photo team, include a remarkable breakthrough in saving a species.
A southern white rhinoceros fetus was successfully created through in vitro fertilization (IVF) and transferred into a surrogate mother.
Witnessing the milestone in saving a species "was something I will never forget", said photographer Jon A Juárez.
Although the embryo did not survive due to an infection, this achievement paves the way for potentially saving the rare northern white rhino from extinction.
Author's summary: IVF breakthrough offers hope for saving the northern white rhino.