Hank examines the zoological definition of monogamy, as well as some other breeding strategies that animals use.

Hank clarifies the misconceptions about Chagus disease, discusses a couple of interesting celestial events - one that happened in the past and one that will happen in the distant future, and sheds more light on the benefits of sexual...

Hank clarifies the misconceptions about Chagus disease, discusses a couple of interesting celestial events - one that happened in the past and one that will happen in the distant future, and sheds more light on the benefits of sexual...

In the animal kingdom, monogamy is rare and cheating is common, even among seemingly faithful species like the superb fairy wrens. This video explores the biological reasons behind infidelity in birds, highlighting how mating strategies...

Hank brings you news from around the universe, including what you can't blame on global warming, why being unfaithful is hazardous to your health, and how to watch a particularly awesome spectacle coming to a sky near you.

In the early 1990s, a scandal rocked evolutionary biology: scientists discovered that songbirds -- once thought to be strictly monogamous -- engaged in what's politely called "extra-pair copulation." In this unforgettable biology lesson...

Most other mammals have penis bones, so why don't we?

Hank examines the zoological definition of monogamy, as well as some other breeding strategies that animals use.

Howcast - Learn why monogamy may be unrealistic to expect in modern times from couples counselor Victoria Wilson, Ph.D. in this Howcast video.