Salmonella Biofilms — Inside of Us. (starts 4:06) Foodborne Salmonella infections MIGHT pave the way for arthritis, Parkinson’s disease and even Alzheimer’s. We talk with Aaron White, co-author of a new study documenting how a salmonella infection can “leak” out of the intestines and form velcro-like biofilms in body tissues. These biofilms are made of curly-shaped, curli (scientific name) proteins on the surface of a Salmonella bacteria. These curli proteins help the cells stick together. They’re hard for the body to scrub away, and they might contribute to a number of health problems. (GO HERE for Extended Version TRANSCRIPT with links to related research)
Headlines – WHY Covid causes loss of smell; Sensors from Louisville Vaisala on new Mars Explorer, Perseverance.
Host/Producer: Shelley Schlender
Additional Contributions: Beth Bennett
Engineer: Maeve Conran
Executive Producer: Susan Moran
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Five years ago today on July 14, 2015, the 
This week on How on Earth, Beth interviewed Scott Lehman of the University of Colorado here in Boulder. Dr Lehman collaborated with a team at NOAA, to develop a novel technique to identify the CO2 released by burning of fossil fuels, allowing its exact calibration in the global carbon budget. Due to technical difficulties, you can’t hear Beth’s questions in the audio, but Scott’s responses are very clear. You can find more information at his 
This week on How on Earth, Beth delves into the science of vaccination for the new corona virus and speaks with Dr David Werner of SUNY Binghamton about his research on the likelihood that general anesthetics can set children and adolescents up for the risk of later alcohol abuse. Find out more at his 
Today on How on Earth, Beth plays part of a 
Beth and Angele discuss the pros and cons of mask wearing as protection against the novel corona virus. You can see the 
With graduation season is upon us, today’s edition of How on Earth is our annual “Graduation Special”. Our guests in the studio today are scientists who have or will soon receive their Ph.D. in a STEM-related field. They talk about their thesis research, their grad school experiences, and what they have planned next.
Hayley Sohn – CU Boulder, 
Clement Zheng – CU Boulder, 
Jennifer Berry – CU Boulder, 
This week on How on Earth, we speak with Professor Catherine Donnelly, of the University of Vermont, about her book,