But only a few can do it without suffering terminal damage. From retro revivals to cutting-edge clamshells, these best flip phones are perfectly pocketable, yet don’t skimp on top-tier hardware. By ...

The latest iteration of flip phones with foldable screens has come a long way four years, improving in design, durability and features while dropping in price – the new Razr starts at just $700.

Intracellular lipid transport can occur by flip‐flop from one side of a bilayer to the other, by vesicular trafficking, by lipid transfer proteins, or by diffusion within a bilayer 34. MAMs are hubs ...