![Twins? In the 1960s "The Patty Duke Show," the story called both characters "identical cousins." Their fathers were identical twins. By ABC Television (eBay item front back) [Public domain], via Wikimedia Commons](https://www.lizaketchum.org/blog/wp-content/uploads/2015/04/Patty_Duke_in_The_Patty_Duke_Show_-_ABC_Television_September_18_1963_The_French_Teacher.jpg)
Twins? In the 1960s “The Patty Duke Show,” Patty portrayed two different “identical cousins.” Their fathers were identical twins. By ABC Television (eBay item front back) [Public domain], via Wikimedia Commons
In Blue Coyote, twins Alex and Rita Beekman seem to read each other’s minds.
Here’s one twin’s take on the science behind the possibility: