This special edition of How on Earth is produced in conjunction with the Conference on World Affairs. Our guest a participants of the Conference: Dr. Michelle Thaller, assistant director of science at NASA’s Goddard Space Flight Center. Her path has taken her from Harvard to Georgia State University to Caltech to NASA. Dr. Thaller has studied hot stars, colliding stellar winds, binary star evolution, evolved stellar companions, and infrared astronomy. She is one of the regular hosts of the Discovery Science Channel shows: “How the Universe Works” and “Space’s Deepest Secrets” and hosts the podcast “Orbital Path” on public radio.
Host / Producer / Engineer / Executive Producer: Joel Parker
Listen to the show:
Podcast: Play in new window | Download (Duration: 27:13 — 24.9MB)
Subscribe: RSS
A Consumer’s Guide to Pesticides in Produce (starts 7:55) You may be wondering if you washed the strawberries, blueberries or kale that you had for breakfast this morning enough to rid them of residue of potentially harmful pesticides. That is, if they were conventionally, not organically, grown. According to the U.S. Department of Agriculture, more than 200 different pesticides remain in some form on popular fruits and vegetables that Americans eat every day. And before testing all the produce, the USDA thoroughly washes and peels them. Such tests show that simply washing produce does not remove all pesticides. In a recently released report, as part of its 
The Goodness Paradox (Teaser): Today’s spring pledge-drive show features brief clips from a recent interview with 
Athlete’s Guide to Recovery (starts at 5:39): Colorado is riddled with athletes, many of them incessantly chasing the latest recovery products and services that will enhance their performance — from Gatorade and other ubiquitous sports-recovery drinks, to supplements, to compression boots, to cryochambers, to good old-fashioned massages. How solid is the solid the science behind the multi-million marketing campaigns? 
Microbial communities are all around us: in our homes, gardens, oceans, even deep underground but their roles in the function of the biosphere are poorly understood. Today Beth spoke with Professor