key stem
71Hedgehog signaling pathway — In a growing embryo, cells develop differently in the head or tail end of the embryo, the left or right, and other positions. They also form segments which develop into different body parts. The hedgehog signaling pathway gives cells this… …
72John Dick (scientist) — Dr. John E. Dick PhD FRSC (born 1957) is an award winning Canadian scientist, credited with first identifying cancer stem cells in certain types of human leukemia. His revolutionary findings highlighted the importance of understanding that not… …
73Mantle cell lymphoma — Classification and external resources Micrograph showing mantle cell lymphoma (bottom of image) in a biopsy of the terminal ileum. H E stain …
74Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …
75let-7 microRNA precursor — Predicted secondary structure and sequence conservation of let 7 Identifiers Symbol let 7 Rfam …
76Mycena lanuginosa — Scientific classification Kingdom: Fungi Division: Basidiomycota …
77Presidency of Barack Obama — 44th President of the United States Incumbent Assumed office January …
78Das Keyboard — is a series of premium computer keyboards sold by Metadot Corporation, an open source software company located in Austin, Texas. Their most distinctive feature has been the absence of key labels, i.e. the keys themselves are both completely black …
792007–2008 world food price crisis — The years 2007–2008 saw dramatic rises in world food prices, creating a global crisis and causing political and economical instability and social unrest in both poor and developed nations. Systemic causes for the world wide increases in food… …
80Comparison of United States presidential candidates, 2008 — This article compares the presidential candidates in the United States 2008 presidential election. It does not cover previous elections. Because of ballot access restrictions in the United States, not all candidates appeared on the ballots in all …
