Five years ago on this day, Labour party politician accidentally tweeted his own name while trying to search for an article about him, which is now annually celebrated by Britons on Twitter with the hashtag #EdBallsDay.

In celebrating this year's World Penguin Day, which coincides with the annual northward migration of penguins, browse and share your favorite images and videos of the wobbly flightless birds!

It's Earth Day! Why not do something meaningful? Find what's happening in your area.

As the trends of decriminalization and legalization surrounding recreational and medical cannabis use continue to spread across Europe, North America and beyond, stoner humor has quickly emerged as a staple subgenre of Internet memes in recent years.

An early cornerstone of cannabis culture, what began in the 1970s as a secret code for "getting high" among a small circle of friends at San Rafael High School has since grown into a ubiquitous calling card for stoners and legalization advocates across North America, and now, evolved into an ironic comment used by sarcastic non-smokers.