Prediction #13

People will grow tails just because they are hot

Prediction #10

Many people will elect to wear a robotic third arm and a third leg because it is just more fun and it looks cool.

Prediction #7

Humanity will expand off of this earth and set up colonies on other planets, which will cause the species as a whole to evolve separately into different, more specialized breeds. Spanning millions and billions of years, this will cause homo sapiens to be one of the most widespread, resilient, and long lasting primogenitor species in the universe.