Why do we kiss? It's an evolutionary conundrum
The evolutionary purpose of kissing has long eluded scientists. Smooching is risky, given things like pointy teeth, and inherently gross, given an estimated 80 million bacteria are transferred in a 10 second kiss. And yet, from polar bears to humans, albatrosses and prairie dogs, many animals kiss. So, what gives?…
We score an episode from what we can actually measure — its reach and engagement, what listeners say about it, and what it covers. We don't have those signals for this one yet, so it doesn't get a number.
Buzzmeter says it's buzzing across platforms — the Hive Vote says whether the people who actually listened liked it.
Rate this episode
Add your vote to the Hive — listeners rate every episode after they finish.
- No reviews yet — be the first.
Similar episodes from other shows
More like Short Wave →
Origins of the kiss
Why Do We Kiss?
Mating, Marriage, And Monogamy In The Age Of Apps
History of Kissing: Why do we lock lips?
One great episode in your inbox, daily — free.
One email a day, unsubscribe anytime. No spam, ever.