Few animals have babies without sex, so biologists assumed asexual reproduction must have evolutionary drawbacks. But a self-cloning Australian grasshopper shows things might be more complicated.
Mercedes Burns, University of Maryland, Baltimore County
Parthenogenesis, a form of reproduction in which an egg develops into an embryo without being fertilized by sperm, might be more common than you realized.
There is a new type of tick spreading in New Jersey, and it doesn’t need a male to reproduce. It’s known to spread disease and is proving
difficult to eradicate.