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The symbol of the Alzheimer’s Society of Canada is the forget-me-not.

Turritopsis Nutricula is a sea-creature that reverts back to polyp stage after breeding, earning the nickname ‘The Immortal Jellyfish’.

Michael Sata, the president of Zambia, previously worked as a cleaner at London Victoria railway station.

The Dutch iet means ‘not nothing’ or ‘an entity of some importance’.

Roland Garros was a French fighter pilot during World War I. He also became the first person to cross the Mediterranean Sea by air in 1913.

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Immortal Jellyfish

A potentially “immortal” jellyfish species that can age backward is silently invading the world’s oceans, swarm by swarm, a recent study says.

A jellyfish called Phyllorhiza Punctata

Turritopsis Nutricula typically reproduces the old-fashioned way, by the meeting of free-floating sperm and eggs. And most of the time they die the old-fashioned way too.

But when starvation, physical damage, or other crises arise, “instead of sure death, [Turritopsis] transforms all of its existing cells into a younger state,” said a researcher at Pennsylvania State University.

The jellyfish turns itself into a bloblike cyst, which then develops into a polyp colony, essentially the first stage in jellyfish life.

The jellyfish’s cells are often completely transformed in the process. Muscle cells can become nerve cells or even sperm or eggs.

Through asexual reproduction, the resulting polyp colony can spawn hundreds of genetically identical jellyfish—near perfect copies of the original adult.

This unique approach to hardship may be helping Turritopsis swarms spread throughout the world’s oceans.

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