Here is a list of links I stumbled into and found interesting. Usually related to Crypto/Security although it could be anything. You can also suggest me something.

07/24/2015
Turing's Halting problem

en.wikipedia.org July 2015

07/23/2015
Building the Swiss Army Knife

windowsontheory.org July 2015

The Swiss Army Knife of Cryptography

windowsontheory.org July 2015

07/22/2015
ChaCha20-Poly1305

www.slideshare.net July 2015

What's the fastest way to the shoe shop?

www.thenakedscientists.com July 2015

Selected Papers in Anonymity

freehaven.net July 2015

07/21/2015 07/20/2015 07/15/2015
women in security 2015 award

www.duosecurity.com July 2015

RC4 no more

www.rc4nomore.com July 2015

crypto summit is live

www.summitwebcasting.com July 2015

07/14/2015
crypto summit tomorrow

www.accessnow.org July 2015

07/13/2015 07/10/2015
poli CTF

polictf.it July 2015

Propose a link