PubMed: For finding papers or exploring genomes.
Protein Data Bank: For finding protein structures.
PyMOL: For viewing protein structures.
ExPASy: For finding out more information about a protein or DNA sequence.
The NSF Center for Sustainable Nanotechnology Blog & Podcast: Fun and informative information on sustainable, beneficial nanotech.
Nanotechnology 101: The National Nanotechnology Initiative introduction to nanotechnology.
Discover Nano: Northwestern University’s intro to nanoscience.
NanoComposix: A valuable resource for nanomaterials.
Advice for working as an undergraduate in a research lab.
ACS planning for graduate school.
Ten simple rules to doing your best research, giving a poster presentation, and oral presentations.
And, G.M. Whitesides' time tested advice for writing a scientific research paper that can also be useful in reading papers (read it, or see his video).
On the importance of "grit" to success and the importance of stupidity in research.
Admitting, properly responding to and thinking about the importance of mistakes.