An animated history of Valentine's Day, plus why the heart is associated with love.
Horror movie-themed Valentine's Day cards and a collection of really nerdy Valentine’s Day cards - more here.
Forget chocolate on Valentine’s Day, try semen, says Surgery News editor. Retraction, resignation follow.
Video: The Science of Chocolate (aka the real meaning of Valentine's Day).
The history of those chalky little pastel hearts with sayings on them.
Everything you ever wanted to know (and more) about My Funny Valentine.
Anti-Valentine's Day cards from a bygone era, plus Vintage Valentines from 100 Years Ago and a collection of vintage meat and weapons-related cards.
Prepare to be offended (or don't click on this link) - the Holy Crap worst Valentine's Day card ever, plus runners-up.
ICYMI, Wednesday’s links are here, and include pancake physics, lots of ape-men other than Sasquatch, a gallery of photos from inside the wreck of the Costa Concordia, and hair dyed to look like art masterpieces.