Please see the links below to the live calls for abstracts. 
NAS 136th Call for Abstracts - General
NAS 136th Call for Abstracts - Teaching of Science and Mathematics Section
These initial calls include contact information for section chairs, key dates, and registration fees. The live calls will be updated with the link to the submission site when it becomes available. You can also look for it on the 'Events' tab on the NAS website.

Please distribute these calls widely to those within your networks. We encourage broad participation in our meeting by students, professionals, and citizen scientists. We hope to see you in April!