The findings could lead to new ways to investigate neurodegenerative diseases, such as Alzheimer???s or Parkinson???s, and open new avenues for bioengineering, Moroz said.???Some ctenophores can regenerate an elementary brain ??? also known as the aboral organ or gravity sensor ??? in 3 ?? days,??? Moroz said. ???In one of my experiments, one lobate ctenophore ??? Bolinopsis ??? regenerated its br