This week we talk to Prof Tommaso Bellini from the University of Milan about liquid crystals.

This week we talk to Dr Sujoy Roy from the Advanced Light Source at the Lawrence Berkeley National Lab about lensless x-ray imaging and much more.

This week we talk to Prof Tony Ryan OBE from the University of Sheffield about making polymers swim. Tony will be speaking at the Frontiers in Polymer Science Symposium at the end of May. See www.frontiersinpolymerscience.com for more details.

This week we talk to Prof James Tour from Rice University about graphene, and his recent work on removing individual layers.

This week we talk to Prof Andrea Cavalleri from the Universities of Oxford and Hamburg about using ultrashort x-ray pulses to probe matter, and his recent work on inducing superconductivity.

This week we talk to Prof Bernard Kippelen from the Georgia Institute of Technology about his work on improving the stability of organic field effect transistors.

This week we talk to Dr Michael Bartl from the University of Utah about bioinspired photonic materials. Michael will be speaking about these crystals at the Hybrid Materials conference in March. See www.hybridmaterialsconference.com/ for more details.

This week we talk to Prof Karen Winey from the University of Pennsylvania about polymer nanocomposites. Karen will be speaking about resistive switching in these substances at the Hybrid Materials conference in March. See www.hybridmaterialsconference.com/ for more details.

This week we talk to Dr Christopher Soles from NIST about the science and application of silsesquioxanes.

This week we talk to Prof Jan Schroers from Yale University about his work on blow molding bulk metallic glasses.