Where Did Kissing Come From?

Kissing is so commonplace that most people rarely think to stop and ask where humans picked up the habit in the first place. Where in humanity's evolutionary history did smooshing our faces together come to be regarded as a display of lust, care, friendship, and love? » 3/20/15 1:43pm 3/20/15 1:43pm

Over 80 Million Bacteria Are Transferred During A 10 Second Kiss

Couples who give each other intimate kisses several times a day share similar communities of saliva-dwelling oral bacteria. Romantic, right? But don't panic — many of these bacteria are essential for the digestion of food, synthesizing nutrients, and preventing disease. » 11/17/14 3:55pm 11/17/14 3:55pm

This was the first kiss ever filmed—and it was between two women

The Internet is currently ablaze over a video of strangers having a first kiss, but what was likely the first kiss committed to film was between two models—two female models. Oddly, the photographer filmed a same-sex kiss because, not in spite of, mores of the era. Artful nudity below. » 3/14/14 8:00pm 3/14/14 8:00pm

Watch the first kiss in the history of cinema, filmed by Thomas Edison

In 1896, the famed inventor, futurist, and elephant electrocution archivist made history yet again by recording the first kiss in cinema history. This clip, which featured a mustachioed fellow leering over Canadian actress Mae Irwin, was considered scandalous at the time, but Edison was no stranger to courting… » 1/20/12 8:00am 1/20/12 8:00am

Man inventing cell phone that can kiss you

Ever wished your phone was a little more... intimate? Fabian Hemmert, a design researcher at the Berlin University of the Arts, Germany, certainly does. "Mobile phones use so little of our sensory abilities," he says. "They are great for information exchange - text, video, and speech - but they provide no feeling of… » 9/11/11 8:30am 9/11/11 8:30am

Long-distance relationships of the future will be more depressing,…

Researchers at Japan's Kajimoto Laboratory at the University of Electro-Communications are developing a device that allows the user to engage in some telepresence smooching by furiously tonguing an apparatus that resembles an electric toothbrush or talk box. Sexy futurism? » 5/04/11 7:30am 5/04/11 7:30am

Could kissing ease your allergies?

Not many scientific studies can help you hook up. But here's one that comes with its own pick-up line: "Let's make out - it'll help your allergies!" » 2/11/11 12:30pm 2/11/11 12:30pm

Kissing Inclinations, Amsterdam

In today's foray into improbable research, Martin Gardiner takes a look at a Dutch study about the awkward logistics of going in for a kiss. » 8/08/10 10:09am 8/08/10 10:09am

Why Do Humans Kiss? To Share Our Germs

It doesn't matter how many times you got the cootie shot on the playground; when you kiss another person, you're going mouth-to-mouth with their germs. And according to researchers, those kissing germs are extremely important to human reproduction. » 11/03/09 8:30am 11/03/09 8:30am

The Hottest Kisses You Never Saw

They're too racy, too raw. There's enough tongue in them to make a director blush — and so much grabby-hands that the director, producer, and writer hit the ground in a dead faint. Or maybe it's just good suspense to deprive characters of some desperately needed mouth-on-mouth. The Blu-Ray release of The X-Files:… » 11/29/08 3:30pm 11/29/08 3:30pm