Most of these are shared among humans as well as mice, rats and other mammals used for comparison in the study.

VOA: special.2009.05.05

And,Mister Hellsten says, genetic changes are rare for frogs, humans and most organisms.

VOA: special.2010.06.29

Humans are social animals, and most of us treasure our relationships with family and friends.

VOA: standard.2010.07.29