The bacterial senate, luminous mini-cephalopods and other tales. Everybody intuitively knows what a bacterium is. However, how deep our understanding actually is in fact? The phenomenon called Quorum sensing has shown us that bacterial intra-specific as well as interspecific or even inter-kingdom communication is much more sophisticated field of research then we ever thought.
A hot moment of the "hot" hypothesis (Last Universal Common Ancestor: really a hyperthermophil of not?). The hypothetical entity of Last Universal Common Ancestor" of all life called expertly as well as informally LUCA have had a colorful past in evolutionary biology. Actually, how should we LUCA imagine? One of the most exciting hypothesis deals with hyperthermophily. So, was LUCA really a hyperthermophilic organism?