An enzyme called PKM zeta may have a role in long-term memory after all.

To cite: Satya Prakash MVS, Lata S, Badhe ASR. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2016218340 DESCRIPTION A patient with open fracture of both bones of a leg was posted for wound debridement and external fixation. L3–L4 space was identified by the loss of resistance technique with Tuohy’s needle. An epidural catheter was passed through the Tuohy’s need...

A compound exhibits tautomerism if it can be represented by two structures that are related by an intramolecular movement of hydrogen from one atom to another. The different tautomers of a molecule usually have different molecular fingerprints, hydrophobicities and pKa's as well as different 3D shape and electrostatic properties; additionally, proteins frequently preferentially bind a tautomer ...

THERE IS A GLARING OMISSION IN THE RECENT Tree of Life Special Issue (13 June, pp. 1691–1709). For too long, viruses have been overlooked by biologists attempting to frame the big picture of life’s history. Earlier views maintained that viruses are not alive because of their lifestyle as obligate parasites, or that viruses are too changeable and inscrutable for inclusion in the tree of life. We...

What do ice cream and running have in common? Consuming indulgence foods and running are two actions that typically achieve opposite results: ice cream leads to weight gain and running helps you lose it; high sugar intake is linked to diabetes, cholesterol, blood pressure, and heart disease, while exercise reduces those risks. Ice cream and running do have one thing in common though—both are se...

filling stations inside the urban environment are known as one of the existing and potential dangers in cities which according to their centralized fire load can be of high safety importance. tehran holds 101 active filling stations faced to extreme accidents and high explosion potentials. in this study, 59 out of 101 gas stations were investigated under the fire risk assessment implementation....