Scientists have created synthetic organisms that can self-replicate. Known as “Xenobots,” these tiny millimeter-wide biological machines now have the ability to reproduce — a striking leap forward in ...

Scientists who study how organisms reproduce know that asexual reproduction is more efficient for one thing, it’s about twice as fast as sexual reproduction, since every offspring can produce more.

It’s pretty hard to catch single-celled organisms in the middle of sex. “It’s sort of like if you put a male and a female together in the zoo. You can’t necessarily get them to do the thing,” John ...