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Ask a Scientist
The HHMI “Ask a Scientist” program has been retired.

The Ask a Scientist site has been discontinued. We have removed this content from our website because the information was not as current as we would like. Select questions and answers are featured in the Perspectives and Opinions section of the HHMI Bulletin.

Please visit the Educational Materials section of HHMI.org for interactive teaching tools, short films, animations, and other products from HHMI’s award-winning educational resources group, BioInteractive.