(X/@cooltechtipz) Jellyfish are simple invertebrates — animals lacking backbones — that are members of the phylum Cnidaria, which also includes ... An elementary nervous system, or nerve net, allows ...

Cnidarians have evolved an array of cell ... capable of coordinated movement despite the absence of an organize nervous system, though it remains unclear how cells communicate in these organisms.

Their nervous system is composed of a ring of nerve tissue encircling ... Belonging to the same phylum as jellyfish and hydra, cnidarians exhibit the absence of a brain but flaunt a nerve net system.

The nervous system consists of the central nervous system (brain and spinal cord) and the peripheral nervous system (motor nerves, sensory nerves, cranial and spinal nerves, autonomic ganglia ...

One of the simplest, most over-studied organisms in the world is the C. elegans nematode. For 13 years, a project called ...

In recent years, many engineers have been trying to develop hardware components that could emulate the functions of various ...

And when Sam signed on — Sam is one of my best friends, and Leslie [Bibb], his partner is also one of my best friends — I was nervous that Sam was going to do it, and relieved that Sam was ...

I want to enjoy our time together and not be made nervous by his anxiety attacks and physical decline. I’m no longer as calm as I used to be! Any advice? – Anxiety Overload DEAR OVERLOAD ...

Because they're focused on grappling with that automatic nervous experience and the physical changes that accompany it, it’s not surprising there are certain behaviors that seem rude but are ...

A feature of note is the mechanosensory system, and both bilaterians and cnidarians use similar sets of genes in mechanoreceptor development. Unexpectedly, researchers also found that there is not ...

The nervous system is a complex network of neurons and cells that carry messages to and from the brain and spinal cord to various parts of the body. People who have early signs of heart problems ...