if you missed, like me, part of the MiT "Active Matter Summit" 2015 here you can find all the videos of the six sessions:
SESSION 1: MATERIAL MAKING
Neil Gershenfeld, MIT - Digital Fabrication & Digital Materials
Peko Hosoi, MIT - Active Soft Materials
Jennifer Lewis, Harvard University - Printing Functional and Active Matter
Rob Wood, Harvard University - Microrobotics
Markus Buehler, MIT - Materials by Design
Neri Oxman, MIT - Material Ecology
>> https://www.youtube.com/watch?v=-dq4fNBzmtU
SESSION 2: BIO-MATERIALS
Peng Yin, Harvard University - Programming DNA
Fiorenzo Omenetto, Tufts University - Silk Polymorphism
Tal Danino, MIT - Programming Bacteria
David Benjamin, The Living - The Living
Suzanne Lee, BioCouture - BioCouture
Paola Antonelli, MoMA - Design & Biology
>> https://www.youtube.com/watch?v=WNaGm_1xtQ4
SESSION 3: MATERIAL TRANSFORMATIONS
Paul McEuen, Cornell University - Graphene Transformations
Pedro Reis, MIT - Programmable Soft Surfaces
Ying Liu / Michael Dickey, NC State University - Soft Material Transformations
Junus Khan, Carbitex - Tunable Carbon Fiber
Christophe Cros, Airbus - Airbus & Programmable Carbon
Christophe Guberan, Product Designer - Active Products
>> https://www.youtube.com/watch?v=xHyYNAZbrk4
SESSION 4: ACTIVE ASSEMBLIES
Skylar Tibbits, MIT - Macro-Scale Self-Assembly
Arthur Olson, The Scripps Research Institute - Biomolecular Self-Assembly
John Main, DARPA - Scalable Directed Assembly
Heinrich Jaeger, University of Chicago - Granular Jammable Materials
Alfredo Alexander-Katz, MIT - Self-Assembly & Soft Materials
Lodovica Illari, MIT - Weather in a Rotating Tank
>> https://www.youtube.com/watch?v=btBOwK9OgyA
SESSION 5: MATERIAL ROBOTICS
John Romanishin / Daniela Rus, MIT - Printable Robotics
Rob MacCurdy / Hod Lipson, Cornell University - Cellular Robotics
Erik Demaine, MIT - Computational Origami
Simon Kim & Mariana Ibanez, University of Pennsylvania & Harvard University - The Immersive
Paul Kassabian, SGH & MIT - Robotic Assembly
Marcelo Coelho, Marcelo Coelho Studio - Computational Matter
>> https://www.youtube.com/watch?v=AgEQH9wrrZI
SESSION 6: ACTIVE ARCHITECTURES
Achim Menges, University of Stuttgart - Material Computation
Chris Lasch, Aranda/Lasch - Architecture, Materials & Structure
Jenny Sabin, Cornell University - Architecture & Biology
Jessica Rosenkrantz & - Jesse Louis-Rosenberg, Nervous System - Nervous System
Sheila Kennedy, MIT - Matter of Time
Tomás Saraceno, Artist - Material Environments
>> https://www.youtube.com/watch?v=AFE1D-E_pJ4