Theoretically, in vitro fertilisation could be performed by collecting the contents from a woman's fallopian tubes or uterus after natural ovulation, mixing it with sperm, and reinserting the fertilised ova into the uterus.
Upstream operations deal primarily with the exploration stages of the oil and gas industry, with upstream firms taking the first steps to first locate, test and drill for oil and gas. Later, once reserves are proven, upstream firms will extract any oil and gas from the reserve.
Westwater Resources Inc, formerly Uranium Resources, Inc., is engaged in developing energy-related metals. As of December 16, 2016, the Company had developed land position in two prospective lithium brine basins in Nevada and Utah in preparation for exploration and development of any resources that may be discovered there.