In April 2014, when Winter Soldier came out, the denizens of the internet made fun of the scene with the meme. Any moment where whispering was observed became a “Hail Hydra” moment.

Near their mouthparts, hydra have a cluster of 50 to 300 cells called the head organizer; as its name implies, it directs the development of the head. If a hydra is beheaded, a new organizer can ...

Dr. Mortazavi was also surprised to find that gene expression timing varied so much between head regeneration and budding. “Clearly there’s more than one way to make a head,” he said.

For hydras, there's more than one way to get a head. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Tiny aquatic animals called hydras can ...

What happens, Galliot and her colleagues reported today (Jan. 19) in the journal Nature Communications, is that when a hydra needs a new head, it releases Wnt3, which clings to beta-catenin/TCF ...

Thanks to new research, scientists are closer to understanding how “immortal” aquatic animals called hydra regrow their lost heads. Hydra are inch-long freshwater creatures that resemble a ...