semen

First Live Rhinoceros Birth from Frozen-Thawed Semen

There may be less than 20,000 rhinoceros in the world, with one species perhaps already extinct and another with possibly only four animals remaining in the…

For Honey Bee Queens, Multiple Mating Makes a Difference

That is what research by scientists in the Department of Entomology and W.M. Keck Center for Behavioral Biology at North Carolina State University suggests….