Physical chemists are justifiably proud of their tiny motors that do little more than spin. How can they say that much more complex motors in life evolved? Read More ›
The “selectivity filters” in membrane channels of living cells are able to discriminate between very similar molecules or atoms using complex mechanisms. Read More ›
Protein folds show more flexibility than previously thought, but the flexibility appears designed. If it’s hard to get one fold to work, how about two in the same protein? Read More ›
