On Friday, Sept. 4, the Natural History Museum will close early at 3 pm due to the USC game at the Coliseum. Expect street closures, traffic, and limited parking in Exposition Park. Visitors are strongly encouraged to take the Metro E Line to the Expo Park/USC station.

Leaves as Thermometers

Learn how to capture temperature using a collection of leaves.

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.