They don’t have a brain or spinal cord. They float around in a way that often appears aimless. Though jellyfish lack a central nervous system, these gelatinous creatures again show that they might ...

For Caribbean box jellyfish, learning is literally a no-brainer. In a new experiment, these animals learned to spot and avoid obstacles despite having no central brain, researchers report September 22 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Crunchy or smooth peanut butter. Toilet paper tucked over or under ...

Researchers at the University of Kiel, and at the University of Copenhagen have demonstrated that Caribbean box jellyfish (Tripedalia cystophora) can learn at a much more complex level than previously ...

Neurons, the specialized cells of the nervous system, are possibly the most complicated cell type ever to have evolved. In humans, these cells are capable of processing and transmitting vast sums of ...

Which came first: the jelly or the sponge? The rest of this article is behind a paywall. Please sign in or subscribe to access the full content. Whether sponges or comb jellies were the first to ...

Analyses of chromosome organization across diverse animals and non-animals provide evidence that a group of marine creatures called ctenophores, or comb jellies, are the sister clade of all other ...

Even a boneless, gelatinous sack lacking a dedicated anus and brain needs its beauty sleep, a new study by researchers from ...

Since the days of Charles Darwin, researchers are interested in reconstructing the "Tree of Life", and in understanding the development of animal and plant species during their evolutionary history.