Topics:
Hal Finney - RIP
https://bitcointalk.org/index.php?topic=155054.0
http://lists.extropy.org/pipermail/extropy-chat/2014-August/082585.html
http://www.coindesk.com/bitcoin-pioneer-hal-finney-passes-away/

Satoshin@gmx Compromised (Sourceforge, P2PFoundation, bitcoin-security mailing list)
https://bitcointalk.org/index.php?topic=775174.0

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/4845
https://github.com/bitcoin/bitcoin/pull/4873 + https://imgur.com/WD2HKCQ
https://github.com/bitcoin/bitcoin/pull/4862

How many Bitcoins does it cost to maintain the network?
http://letstalkbitcoin.com/blog/post/how-many-bitcoins-does-it-cost-to-maintain-the-bitcoin-network

Issues with getutxo (BIP0064)
https://blog.conformal.com/bip0064-not-yet/
http://www.reddit.com/r/Bitcoin/comments/2eq8gi/getutxos_a_convenient_way_to_crash_bitcoind/

Weekly Mining Stats:
http://organofcorti.blogspot.se/2014/08/august-31st-2014-weekly-bitcoin-network.html
http://organofcorti.blogspot.se/2014/09/september-7th-2014-weekly-bitcoin.html

Proof of Idle
https://docs.google.com/file/d/0ByJFkp_AfSQuZ1JmbnBGY2lIVG8/edit?pli=1

Burst (Proof of HDD Space)
https://bitcointalk.org/index.php?topic=731923.0
related: http://research.microsoft.com/pubs/217984/permacoin.pdf

Ripple Consensus Whitepaper
https://ripple.com/forum/viewtopic.php?f=1&t=7751&sid=cccc00160bdeb3e9d880c527b4f4cacd
related: https://ripple.com/forum/viewtopic.php?f=2&t=4118&sid=ac34df41bd7275a2946395c1ca774ed4&start=20

UTXOC - Unspent Transaction Output based Certificates
https://bitcointalk.org/index.php?topic=713919.0

1 of N Ring Signatures
https://bitcointalk.org/index.php?topic=768499.0

Minting Money with Monero … and CPU vector intrinsics
http://da-data.blogspot.com/2014/08/minting-money-with-monero-and-cpu.html

Unrelated to cryptocurrencies: New Enigmail version broken
http://sourceforge.net/p/enigmail/forum/support/thread/3e7268a4/

Presentations:

• Paul Sztorc - Truthcoin 

• Chris Rawlings - CoinSip