Highly recommended: I like this post,written by Carly Strasser at the California Digital Library, so much I'm putting it on all my blogs this month:
The 10 Things Every New Grad Student Should Do
My NCBI – ORCID Author Data Integration with SciENcv available October 9th. [Why ORCID? See no. 9 on The 10 Things Every New Grad Student Should Do.]
Exploring the Rich History of Plant Science suggests that some of the "great scientific works," freely available in Biodiversity Heritage Library, may be useful teaching tools for undergraduates. WU Libraries is now an Affiliate Member of the BHL.
I found this interesting even though most of the top papers are methods as you might expect. The top 100 papers: Nature explores the most-cited research of all time. Links are provided to Excel versions of the lists from Thomson-Reuters (Web of Science) and to an alternative list from Google Scholar which includes many books. There's more discussion of the Google Scholar set in Does Google Scholar contain all highly cited documents (1950-2013)?.