Ionotropic glutamate receptors comprise two conformationally different A/C and B/D subunit pairs. Closed channels exhibit fourfold radial symmetry in the transmembrane domain (TMD) but transition to ...

Self-repair is extremely important for living things. Get a cut on your finger and your skin can make new cells to heal the wound; lose your tail—if you are a particular kind of lizard—and tissue ...

For many sea creatures, regrowing body parts is a routine matter of survival. The ocean is full of predators to whom the jellyfish, for example, is the perfect hor d'oeuvre: a tasty, gelatinous morsel ...

Symmetry in biology is the balanced distribution of duplicate body parts or shapes. The body plans of most multicellular organisms exhibit some form of symmetry, either radial symmetry or bilateral ...

Starfishlike brittle stars have five thin arms and no central brain, but even so, they move in a carefully coordinated fashion similar to four-limbed animals (including humans). A new analysis delves ...

A poet finds artistic inspiration in her work as a scientist and new perceptions in the lines and linkages of her art. A series of rodent experiments showed that even with abundant food and water, ...