Member/Contributor to Cultural Institution

	Member and/or contributor	Contributor beyond membership (base member)
Member/contributor to one or more institutions (net)	86.1%	34.2%
Art museum	33.5%	8.1%
Natural history/science museum	66.3%	11.0%
Performance arts (Symphony orchestra/ballet/dance company, etc)	27.6%	13.4%
Zoo/aquarium/botanical garden	37.4%	8.1%
Other cultural institution	23.7%	16.1%
PBS/NPR membership	38.2%
Member/contributor to two or more institutions (net)	60.6%	18.1%
Member/contributor to three or more institutions (net)	38.1%	8.6%

Source: 2008 Ipsos Mendelsohn Natural History Subscriber Study. Indexes based on 2008 Mendelsohn Affluent Survey

Caves are among the predators’ favorite spots.

The brain doesn't much care whether an experience is real.

Humans will never win a sprint against your average quadruped. But our species is well-adapted for the marathon.

Hear author Xiaoming Wang interviewed by Vittorio Maestro, Editor in Chief of Natural History. (MP3, 17 minutes)