Two Challenges

Shock Levels are Point Estimates

How Much Should We Care What the Found­ing Fathers Thought About Any­thing?

My Fun­da­men­tal Ques­tion About Omega

The Craigslist Revolu­tion: a real-world ap­pli­ca­tion of tor­ture vs. dust specks OR How I learned to stop wor­ry­ing and cre­ate one billion dol­lars out of nothing

Shut Up and Divide?

Com­mon Er­rors in History

Epistemic Luck

A sur­vey of anti-cry­on­ics writ­ing

Limited kind­ness is unappreciated

BHTV: Eliezer Yud­kowsky & Razib Khan

Ethics has Ev­i­dence Too

De­bate tools: an ex­pe­rience report

‘Cheap’ goals won’t ex­plode intelligence

A prob­lem with Time­less De­ci­sion The­ory (TDT)

“Put It To The Test”

A Much Bet­ter Life?

Ap­ply­ing util­ity func­tions to hu­mans con­sid­ered harmful

False Majorities

David Pearce on He­donic Mo­ral realism

How does Face­book make overt self ob­ses­sion ok?

Philos­o­phy of mind review

My Failed Si­tu­a­tion/​Ac­tion Belief System

The AI in a box boxes you

De­bunk­ing kom­pon­isto on Amanda Knox (long)

Pa­ter­nity tests en­dan­ger the unborn

Ra­tion­al­ity Quotes: Fe­bru­ary 2010

Open Thread: Fe­bru­ary 2010

Be­ing use­less to ex­press care

Strong moral re­al­ism, meta-ethics and pseudo-ques­tions.

Pas­cal’s Pyra­mid Scheme

Who are you?

Deon­tol­ogy for Consequentialists

Com­plex­ity of Value ≠ Com­plex­ity of Outcome

Log­i­cal Rudeness

Play for a Cause

Bizarre Illusions

You can­not be mis­taken about (not) want­ing to wirehead

Wel­come to Heaven

Adap­tive bias

Si­mon Con­way Mor­ris: “Aliens are likely to look and be­have like us”.

Value Uncer­tainty and the Sin­gle­ton Scenario

Less­wrong UK plan­ning thread

Lists of cog­ni­tive bi­ases, com­mon mis­con­cep­tions, and fallacies

Far & Near /​ Ru­n­away Trol­leys /​ The Prox­im­ity Of (Fat) Strangers

Priv­ileged Snuff

Costs to (po­ten­tially) eter­nal life

Easy Pre­dic­tor Tests

Win­ning the Unwinnable

That Mag­i­cal Click