"We live in a world where digital information is exploding
. Some 90% of the world’s data was generated in the past two years. The obvious question is: how can we store it all? In Nature Communications today
, we, along with Richard Evans from CSIRO, show how we developed a new technique to enable the data capacity of a single DVD to increase from 4.7 gigabytes up to one petabyte (1,000 terabytes). This is equivalent of 10.6 years of compressed high-definition video or 50,000 full high-definition movies."
posted by Blazecock Pileon
on Jun 20, 2013 -
Is Psychometric g a Myth?
- "As an online discussion about IQ or general intelligence grows longer, the probability of someone linking to statistician Cosma Shalizi's essay g, a Statistical Myth
approaches 1. Usually the link is accompanied by an assertion to the effect that Shalizi offers a definitive refutation of the concept of general mental ability, or psychometric g
." [more inside]
posted by kliuless
on Apr 11, 2013 -
Have you ever wondered what the water temperature off the Kamchatka Peninsula is? What about the wind speed in the Andaman Sea? Or maybe you’re losing sleep over the chlorophyll levels in the South Pacific. Fortunately, all of that information –- and 450 million other data points collected from oceanographic instruments around the world –- is freely and easily accessible thanks to the Marinexplore project. [more inside]
posted by Egg Shen
on Aug 28, 2012 -
In The Geographic Flow of Music
), researchers Conrad Lee and Pádraig Cunningham propose a method to use data from the last.fm API
to track the world's listening habits by location and time, showing where shifts in musical tastes have originated and subsequently migrated. Results show music trends originating in smaller cities and flowing outward in unexpected ways, contradicting some assumptions in social science about larger cities being more efficient engines of (cultural) invention.
posted by Blazecock Pileon
on Apr 26, 2012 -
Mercenary Epidemiology: Data Reanalysis and Reinterpretation for Sponsors With Financial Interest in the Outcome.
(.pdf link) When should scientists be required to release their raw data for (potentially hostile) re-analysis? A letter to the editors of Annals of Epidemiology from David Michaels, Ph.D., MPH, public health blogger
, author of the book Doubt Is Their Product
, and, as of December 2009, the Assistant Secretary of Labor for OSHA,
unanimously confirmed by the Senate despite the dismay of some
. Michaels interviewed at Science Progress
about Doubt Is Their Product
(podcast, with transcript.)
posted by escabeche
on Feb 11, 2010 -