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
Anticipating where future thermal areas may develop in Yellowstone National Park - Yellowstone Volcano Observatory - 5/08/2025 Link »
Glacier and Yellowstone are still open during the government shutdown - Montana Public Radio - 10/02/2025 Link »
