2048

You may enjoy this game 2048.

Duolingo

 Duolingo is a website that gamifies learning new languages. So far they have only a few languages but the interactive feedback makes it fun.

xbcd Comics

xbcd is a popular online comic strip that accurately describes itself as "a webcomic of romance, sarcasm, math, and language". Its solid mix of thoughtful insights and geeky humor had me laughing out loud several times.

Patent Pending's song, 'Hey Mario'

TED talk on Fibbonaci numbers

Why the growth of bee populations follows the Fibonacci series.

The Futility Closet blog has an interesting entry about why the growth of bee populations follows the Fibonacci series.
[Illustration from their story.]

Random Poetry Maker Gains Massive Twitter Following

A random poetry generator, mix and matching sentences from eBooks has an incredible 220 thousand followers. The video discuss the implications of the popular "SPAM machine" in the context of art.

Boston Dynamics' WildCat Robot

New element!

 "An international team of researchers, led by physicists from Lund University, have confirmed the existence of what is considered a new element with atomic number 115."

507 Mechanical Movements

507movements.com is a cool site that is hosting "an online edition of the classic technical reference Five Hundred and Seven Mechanical Movements by Henry T. Brown [...] published in 1908." The coolest part is that they are animating all the mechanisms so you can see exactly how they work. Not too many are animated yet, but they are coming along. Shown: Number 38, a way of making rotary motion vary in speed during the revolution. Via: BoingBoing