humidity

That humidity allows the bacteria to settle and grow on the piled-up skeletal remains.

Northeast Santa Ana winds up to 40 mph on Wednesday were expected to push humidity levels down, possibly into the single digits.

The researchers took thermal images, captured air temperatures and measured the humidity around the surface materials at different times of day when kids are most likely to be outside at school.

But the process doesn't always work and is dependent on the right amount of moisture and humidity in the clouds to allow for ice nuclei to form.

“Because it’s so simple, tiny little details will change the texture or the flavor or the color. It could just be, like, the humidity in the room.”