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
As international visitors stay away, Yellowstone National Park tourism industry banks on Americans - East Idaho News - 4/22/2025 Link »
How recently discovered giant magma cap helps prevent eruption at Yellowstone National Park - Fox Weather - 4/26/2025 Link »