Artist Scott Kildall waves his microcontroller over a Joshua tree, recording wavelengths of light that are not perceptible by humans. (Carlos Jaramillo for NPR) The artist Scott Kildall is waving his ...

Scientists have long studied how near-infrared light bounces off forests and grasslands, as a proxy for plant health. Now, an artist is using the same trick to turn the Joshua tree into an instrument.

The artist Scott Kildall is waving his hand over the contours of a Joshua tree, just inches from its spiky green, bayonet-like leaves. “If I get too close to it, it will prick me and draw blood,” he ...

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Scientists have long studied how near-infrared light bounces off forests and grasslands, as a proxy for plant health. Now, an artist is using the... Listen to the yowling, ethereal sounds a Joshua ...