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1.
Synopsis

The Blueprint for DNA Origami

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Published November 21, 2012
A new model of DNA is able to reproduce the observed features of self-organizing nanostructures in DNA origami.
2.
Focus

Landmarks—Atomic Force Microscope Makes Angstrom-Scale Images

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Physics 5, 106 (2012) – Published September 21, 2012
The atomic force microscope, introduced in 1986, provided atomic-scale pictures of surfaces, with few limitations on the type of sample.
3.
Synopsis

The Barrier to Folding

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Published November 7, 2011
A discrepancy between theory and experiment regarding how molecules fold in response to applied forces is resolved.
4.
Synopsis

Know when to fold ‘em

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Published August 11, 2011
Corrugations found along the intestine’s inner wall reflect both a mechanical buckling and the constant birth and death of cells, theorists suggest.
5.
Synopsis

Diffusion in a membrane

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Published August 4, 2011
Calculations elucidate how the lateral diffusion of macromolecules within a liquid membrane depends on the properties of the solvent layer surrounding it.
6.
Viewpoint

Debut of a hot “fantastic voyager”

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Ramin Golestanian, Physics 3, 108 (2010) – Published December 20, 2010
A temperature effect could allow us to dynamically change the stochastic behavior of certain colloidal particles.
7.
Synopsis

Mechanical proteins

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Published December 10, 2010
New techniques measure mechanical properties of proteins without damaging them.
8.
Synopsis

Adapting to habitat

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Published December 8, 2010
Spatial variations can drive evolution in certain ecological habitats.
9.
Focus

Ripples on a Cell

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Phys. Rev. Focus 24, 19 (2009) – Published November 13, 2009
Detailed images of surface waves on the membrane of a living cell support a theory that the protein machinery involved in the cell’s locomotion are responsible for the waves.
10.
Focus

When Membranes Collide

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Phys. Rev. Focus 14, 20 (2004) – Published November 16, 2004
Researchers have measured the energy required for two membranes to fuse–the process that occurs when a virus attacks a cell.
11.
Focus

Flexibility of Cell Membranes

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Phys. Rev. Focus 7, 9 (2001) – Published February 23, 2001
A new technique measures the mechanical properties of cell membranes by watching the motion of small beads attached to 20-micrometer-diameter bubbles of membrane surrounded by a layer of protein.