Explore, Play, Discover: Websites, Activities, and More

Dive into websites, activities, apps, and more.

Why Save Seeds?

Find out why biodiversity benefits plants and people alike.

Parabolas
It’s all done with mirrors.
Diffraction
Demonstrate diffraction using a candle and two pencils.
Strandbeest: Animaris Ordis

Observe Theo Jansen and a strandbeest strolling on a sunny beach.

Plate Tectonics

See a map of recent earthquakes in the United States, and learn why earthquakes happen so frequently on the West Coast.

Hello Dahlia

See why these beautiful flowers have attracted generations of admirers.

Organ Pipe
Get Bach to the fundamentals.
The Lighter Side of Wonder: A Conversation with Lena Herzog

Join curator Marina McDougall for a conversation with photographer Lena Herzog.

Moon to the Eclipse:
7/30/17 Quarter Moon

by Eileen Campbell • July 29, 2017

Watch the moon pass through its phases as we count down to the total solar eclipse. Today: a quarter moon (waxing).

Cellular Soap Opera
Use soap film to model a cell membrane.
Mars
Flash back to Mars, the last After Dark at the PFA.
Bird in a Cage
Stare at one color—but see another.

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