Grigory Ryzhakov – Russian Writer

Nobel Prize

Nobel 2012: GPCRs – Sensation(al) Receptors

GPCR proteins undergo changes in their shape (conformation) upon ligand binding. Rhodopsin in the eye retina detects light using its photon-sensitive retinal moiety, while olfactory receptors detect fragrant molecules, which we breathe in. In both cases this triggers signals, which are processed by our brains into senses of vision and smell (to examine more scientifically correct cartoons of GPCR signalling dangerous intellectuals should press the links I provided below)

The 2012 Nobel Prize in Chemistry was awarded to Robert J Lefkowitz and Brian K Kobilka for their mechanistic work on G-protein-coupled receptors or GPCRs.… Read the rest

Nobel 2012: Stem Cell, Cloning and the DNA State

A scheme of animal cloning (converted to SVG by Belkorin, modified and translated by Wikibob [GFDL ( or CC-BY-SA-3.0 (], via Wikimedia Commons)

The first science Nobel Prizes were awarded this week.  John B. Gurdon of the University of Cambridge in England and Shinya Yamanaka of Kyoto University in Japan received the prize in Physiology and Medicine for their work showing how it’s possible for a mature cell of the body to revert to a state similar to embryonic.… Read the rest