Change: bowl-shaped molecules. These molecules have potential use in drug delivery, sensing, catalysis, and separations.February 19th-23rd: DHADocosahexaenoic acid (DHA) is an omega-3 fatty acid found in cold-water fish and linked with reducing the risks of heart and other diseases in humans. It’s even being added to infant formula.   View changes from previous version. (Word count: 206)

Change:  Week 2: TaxolTaxol is an antitumor agent that was first isolated from the bark of the yew tree (most commonly found in northeastern United States) in 1971. Arguably the greatest bio-prospected success ever, it is FDA approved for the treatment of many ovarian, breast, Kaposi's sarcoma, and lung cancers.   View changes from previous version. (Word count: 116)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 109)

Change: Fifty years ago Watson and Crick introduced the idea that DNA formed a double-helix. At the time, it did not escape their notice "that the   View changes from previous version. (Word count: 109)

Change: Week 1: Deoxyribonucleic Acid Week 2:   View changes from previous version. (Word count: 6)