The Fish That REGROWS Its Own Heart 🐟

May 6th, 2026

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Your Retirement Savings Need to Outlast You

Most retirement plans underestimate two things: how long your savings need to last, and how quietly inflation erodes them along the way.

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Every year, millions of people survive heart attacks only to be told the same thing: the damage is permanent. Heart muscle doesn't grow back. That's true for humans — but it isn't true for everything. There's a small striped fish that can regrow significant portions of its own heart within weeks, and what's happening inside it is forcing scientists to rethink a rule they thought was absolute.