The Natural History Museum will be closed on Friday, July 4 in observance of Independence Day. We will reopen on Saturday, July 5.

Leaves as Thermometers

Learn how to capture temperature using a collection of leaves.

Leaves as thermometers with dr. regan dunn youtube thumbnail

Learn all about how scientists are using fossilized foliage to capture a record of L.A.'s temperature, and how you can do the same with just a collection of leaves and some math.