Thomas Brock, Whose Discovery Paved the Way for PCR Tests, Dies at 94: In 1966, he found heat-resistant bacteria in a hot spring at Yellowstone National Park that led to ... The New York TImes - 4/24/2021 Thomas Brock, Whose Discovery Paved the Way for PCR Tests, Dies at 94
Yellowstone's black wolves better at fighting canine distemper virus, study shows - Billings Gazette - 11/08/2022 Link »