
SciTech Now Episode 419
Season 4 Episode 19 | 26m 47sVideo has Closed Captions
Climate change, dog’s noses, Mayan pyramids, and declines in the boreal toad population.
In this episode of SciTech Now, we see how climate change impacts the water; a look at one scientist who studies dogs and the complexities of their noses; exploring the Mayan pyramids; and the decline in the boreal toad population.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
SciTech Now is a local public television program presented by WLIW PBS

SciTech Now Episode 419
Season 4 Episode 19 | 26m 47sVideo has Closed Captions
In this episode of SciTech Now, we see how climate change impacts the water; a look at one scientist who studies dogs and the complexities of their noses; exploring the Mayan pyramids; and the decline in the boreal toad population.
Problems playing video? | Closed Captioning Feedback
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Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipClimate change and our waterways
Video has Closed Captions
Clip: S4 Ep19 | 5m 30s | Human impact on our water due to climate change (5m 30s)
Video has Closed Captions
Clip: S4 Ep19 | 4m 2s | A look a the declining health of the boreal toad population. (4m 2s)
A scientist explores the Mayan pyramids
Video has Closed Captions
Clip: S4 Ep19 | 6m 38s | Scientists are using detectors to explore the Mayan pyramids in Belize. (6m 38s)
A scientist sniffs out the world of dogs
Video has Closed Captions
Clip: S4 Ep19 | 7m 40s | Alexandra Horowitz examines a dog's sense of smell. (7m 40s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
- Science and Nature

Explore scientific discoveries on television's most acclaimed science documentary series.

- Science and Nature

Capturing the splendor of the natural world, from the African plains to the Antarctic ice.












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SciTech Now is a local public television program presented by WLIW PBS



