Difference in differences

This is something we all need to understand, and to check whether studies use it or not. You can’t just compare differences in outcomes between two populations, you need to compare the difference in differences. This tends to reduce the size of the effect and...

Economist: wireless harmless

Cracking Economist piece on science: The whole brouhaha over mobile phones causing brain cancer is a monumental irrelevance compared with scofflaws who insist on using their handsets to text or talk while driving. Regretfully, that is a far more likely cause of death...
Footprints on the moon

Footprints on the moon

NASA releases stunning new moon-landing snaps. So sad that a large part of the era of manned space exploration is temporarily on hold. The pictures are gobsmacking.    

Academic publishers need disintermediation

Academic publishers make Murdoch look like a socialist. Monbiot makes a valid point: all publicly-funded research should be available at a low cost or for free. The Harvard route of a major institution binding its researchers to publish to a free source sounds...

What is time?

What is time? Good primer on some gnarly issues in the status of time. Ten things we should know about time is a great summary of some related issues.

Milgram revisited

The Psychologist – The shock of the old has a useful revisit of Milgram’s obedience to authority experiments (especially the electric shock one). Things I hadn’t realised: the “subjects” (non-experimenters / non-actors) really agonised...