geothermal basin in Yellowstone NP, Wyoming.

How Yellowstone Extremophile Bacteria Helped With Covid-19 Testing

The heat-resistant enzyme from Thermus aquaticus is used in PCR testing to detect pathogens.

How American Tourism Began

American tourism took the scenic route over the course of the twentieth century. A growing middle class and car ownership helped.

How Not to Approach Wildlife in Yellowstone National Park

National parks like Yellowstone are great places to get close to nature, but tourists shouldn't forget that they are also important refuges for wildlife.