1.   Egg Do you like egg?

2.   But would doctored deviled eggs do the trick?

3.   The fertilized eggs did fine, continuing to develop during the flight.

4.   The problem, they say, seems to be that an egg must do a task in minutes or hours that normally takes months or years.

5.   Unlike sperm, which can be frozen and defrosted when needed, unfertilized human eggs rarely survive the thaw, though mouse and cow eggs do.

6.   Wilmut and Campbell showed that even though scientists have no idea how to reprogram genetic material, an unfertilized egg can do the job.

7.   A body cell has far less mtDNA than an egg does, so when they mixed, the vast majority of the result would be from the egg.