Pine Cones are Sensitive to Humidity


To release their seeds at the ideal time, pine cones open and close their scales depending on the humidity in the air. Only when there the air is dry enough to send the seeds far do the scales open, releasing its winged pine seeds.

Functional Classification

Resouce/Energy/Information Collection & Storage:
Season sensing
Opening and closingUse of natural phenomena

Environmental Solution Classification

Related Literature

Nature 390, 668 (18 December 1997) How pine cones open

Technical Application

Pinecones’ ability to sense humidity has been used to develop

Products and Services

  • “smart fabric” fibers that control humidity in clothing.

Type of Business

Proposals of Applied Technology

Proposals of Applied Industry

Related Life Style