Ladies of 50,000,000 AD

The Ladies of 50,000,000 AD are the inhabitants of Earth in the year 50,000,000, a verdant paradise. They are are very beautiful, dress in skimpy clothes and use negative mass neutrino fields for backwards time travel. Fry, Bender and the Professor encountered these women while searching for a backward-traveling time machine. Fry and the Professor wanted to stay, but Bender (upset that they didn't stay in 10,000,000) activated the time machine.

Trivia

 * As they are (apparently) all women, they value men regardless of age or intelligence.
 * Hold fertility banquets.
 * Can pour oil without using their hands.