LINKS

Science Blogs:

Cosmic Variance: A blog about science, high energy physics, and philosophy.
RÉSONAANCES: A great blog about recent results in experimental high energy physics.
dorigo's blog: A blog about physics written by a member of the CDS and CDF calaborations.
Not Even Wrong: A string theory blog, among other things.
Quantum Diaries: A collection of blogs and articles about physics.
Skeptical Science: A site devoted to the science of climate change
ATLAS Control Room Blog: A collection of blogs by high energy physicists.

Software for High Energy Physics:

ROOT: A software package used to store data and make plots
Athena: The control framework used to run real-time detector data collection and offline analysis.
PanDA: A tool used to perform distributed analysis so one can run jobs using computers all around the world
SFrame: A package used for the parallel processing of Particle Physics data structures
RooFit: A statistical package used to build models, run regressions, perform likelihood minimizations, and to implement many other forms of statistical analysis
RooStats: A set of classes built on top of RooFit to perform advanced statistical tests

Miscellaneous:

xkcd: A web comic about science... sometimes
Flowing Data: A site devoted to data visualization
Dinosaur Comics: A web comic about dinosaurs and philosophy
What's New: The blog by the brilliant mathematician Terry Tao
Math Babe: A blog about mathematics, modeling, statistics, and finance
Calculated Risk: A blog about statistics and data.
FiveThirtyEight: Nate Silver's blog in the NYTimes
Statistical Modeling, Causal Inference, and Social Science: A blog about science and statistics