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Cosmo and I learned about cat evolution, thanks to Haden Kingrey, anthropology graduate student at Washington State University.
Read the Ask Dr. Universe column about this (and see a cute pic of my roommate)
Learn about natural selection with the Amoeba Sisters
Check out saber-toothed cats with the National Park Service
See an African wild cat in action with Animalogic
See the Smithsonian's exhibit for the first known domesticated cat
 As always, submit burning questions at askdruniverse.wsu.edu.  Who knows where your questions will take us next.

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I learned all about black holes from WSU observational astrophysicist Vivienne Baldassare. 
Check out Dr. Baldassare's favorite black hole
Learn more about galaxies, black holes, and exoplanets from NASA
Peep the Vera C. Rubin Observatory in Chile
Explore the NASA exoplanet database
Dig into NASA's search for life outside our universe
 As always, submit burning questions at askdruniverse.wsu.edu.  Who knows where your questions will take us next.

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Cosmo and I investigated belly buttons—thanks to WSU nursing professor Cindy Brigham-Althoff.
Learn more about the placenta with Operation Ouch and Scientific American
Check out all the belly buttons with Nat Geo
Find out about placental mammals
See what's living inside your navel with Nat Geo
Sound effects courtesy Pixabay
 As always, submit burning questions at askdruniverse.wsu.edu.  Who knows where your questions will take us next.

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Join me and some new friends as we shrink down and travel through a cell, checking out organelles along the way. It's a cell biology adventure!
This episode was written and performed by the 6th graders in Kelsey Starke's classes at Vancouver iTech Preparatory. Thanks to WSU's John Hinz for the expert factcheck.
Can't get enough cell bio?
Check out the National Geographic cell biology collection
Enjoy PBS Learning videos about life sciences
Take a another trip through a cell with Amoeba Sisters
Peep the National Science Foundation kids' video about cells
 As always, submit burning questions at askdruniverse.wsu.edu.  Who knows where your questions will take us next.

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WSU apple breeder, Kate Evans, told me all about out how apples work and what it's like to be a scientist who makes new apples—like the Cosmic Crisp®.
See Kate Evans' pollen vial here
Learn more about the Cosmic Crisp® apple
See all these different kinds of apples—and these Washington apples
Enjoy these pollinator activities
Use the Xerces Society pollinator plant lists to find what to plant near you
Check out the apple question Kate Evans helped me answer
 As always, submit burning questions at askdruniverse.wsu.edu.  Who knows where your questions will take us next.