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Why some leaves change color in the Fall

NPR's Short Wave podcast spoke to botanist and plant ecologist, Tanisha Williams, about why some leaves change color in the Fall.
- Brit Hanson
A total lunar eclipse is happening Tuesday — and it won't happen again for 3 years

A total lunar eclipse happens when the moon falls completely in the Earth's shadow.
- Ayana Archie
Hear it again: This AI learned to be ethical. Sort of.

University of Washington professor Yejin Choi was recently named one of this year's MacArthur Fellows. This honor is commonly known as the "Genius Grant" and awards an $800,000 stipend for recipients to use on new research. Choi works on artificial intelligence, and earlier this year Soundside spoke with her about an AI she helped build called "Delphi."
- Libby Denkmann
Why this study of box turtles will plod along, slow and steady, for 100 years

This wrinkled ol' pal, found across much of the U. S., may be in decline. A huge study in North Carolina plans to track box turtles for 100 years, to learn how to best protect them.
- Nell Greenfieldboyce
Researchers have found a link between chemical straighteners and uterine cancer

NPR's Ayesha Rascoe speaks to Alexandra White of the National Institute of Environmental Health Sciences about the link between chemical hair straighteners and uterine cancer.
- Ayesha Rascoe
NASA announces the team members for its UFO study

The 16-member team will begin the study on Monday. The research, which will use unclassified data, will lead to a report that will be made available to the public next year.
- Giulia Heyward
Genetic sequencing gives us the first-ever look at a Neanderthal clan

"You know, this image of Neanderthals being brutes, is not quite accurate," says paleogenticist Laurits Skov. "The more we learn about them, the more like humans they appear to be."
- Geoff Brumfiel
UW cancer researcher tells us, ‘it’s been a ride.’ She’s hopeful about cancer vaccine prospects

‘We have a very important word before the vaccine. That word is cancer. In my experience, the fear of cancer trumps any fear of vaccines. I think most people who are coming to us are really trying to survive their cancer, or improve their chances of surviving their cancer.’
- Kim Malcolm
NASA says its asteroid defense test was a success

NASA smashed a spacecraft into an asteroid in an attempt to throw it off course. The mission succeeded beyond expectations, officials said.
- James Doubek
Not your grandma's weed

Cannabis is a very popular subject here in Washington. It’s been legal for recreational use for almost a decade now. But this isn’t your grandma’s weed. Cannabis has changed, and demand has risen for more potent products, with much higher THC percentages than what can be grown naturally. Seattle Times reporter Hannah Furfaro is here to talk us through the concerns researchers have about this high-potency cannabis, especially its effects on inexperienced users.
- Vaughan Jones

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