181
Human Height
The average height of a population can inform us about the nutrition and living conditions of populations in the past for which we have little other data.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 190 posts.
182
Schizophrenia: No Smoking Gun
[Note: despite how some people are spinning this, tobacco is still really really bad and you should not smoke it] I. Schizophrenics smoke. A lot. Depending on the study, about 60-80% of schizophren…
183
Hunger and Undernourishment
What are the consequences of undernourishment and how can we make progress against hunger and undernourishment?
184
Nuclear Power in China
China has become largely self-sufficient in reactor design and construction, as well as other aspects of the nuclear fuel cycle. The strong impetus for nuclear power in China is increasingly due to air pollution from coal-fired plants.
185
Guns and suicide: A fatal link
In the United States, suicides outnumber homicides almost two to one. Perhaps the real tragedy behind suicide deaths—about 30,000 a year, one for every 45
186
Plans For New Reactors Worldwide
Nuclear power capacity worldwide is increasing steadily. Most reactors under construction are in the Asian region. Significant further capacity is being created by plant uprating.
187
The Relativistic Rocket
Thanks to Alan R. Wilson for correcting a two-word typo involving GPS satellites. Thanks to Aron Yoffe for suggesting the newtonian comparison. Thanks to Tom Fuchs for suggesting the analogy to the stone thrown upwards. Fuel numbers added by Don Koks, 2004. Updated by Phil Gibbs, 1998. Thanks to Bill Woods for…
188
Child and Infant Mortality
Child mortality remains one of the world’s largest problems and is a painful reminder of work yet to be done. With global data on where, when, and how child deaths occur, we can accelerate efforts to prevent them.
189
Beware The Man Of One Study
Aquinas famously said: beware the man of one book. I would add: beware the man of one study. For example, take medical research. Suppose a certain drug is weakly effective against a certain disease…
190
The IQ Halo effect
On desirable correlates of intelligence