There was a blue sky in Orion

One of my favourite learnings in O-level physics was why the sky is blue if the sun is white. The same explanation holds for a reflection nebula in Orion. Only the picture shows it how it was 1600 years ago.

Groovy gadgets explained

I like the endoscopic pill, especially, but any “how it works” guides are good by me.Zombie Feynman would like them as well. It’s a very good cartoon, as well.

Encyclopedia of life

Nice scientific collection of everything we know about living things (or at least it will be). Try the polar bear pictures.

Anti-depressants, redux

Some more considered remarks on anti-depressants from Ben Goldacre (my mistakes are here) .He’s right to point out that the SSRI news isn’t news, and that the really interesing part of the discussion is around which trial results are published or...

The drugs don’t work

From over-effective pills to ones that just don’t work. I haven’t known many people on anti-depressants; I wonder if the efficacy will go down if they read this?