[thedoc (OP)]

This week a rabies-based Trojan Horse that smuggles drugs across the blood-brain barrier, why first-borns are brighter, progress with Parkinson's and a lunar telescope more powerful than Hubble. Plus in this week's ARMAGEDDON-focused show we look at supervolcanes, earthquakes and arsenic, find out why curtains are absolutely lethal and why a meteorite impact probably didn't dispense with the dinosaurs after all. Also, in Kitchen Science, we test the claim that tapping the top of a fizzy drink before you open it stops it spraying all over you...
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[paul.fr]

Dave,

re, kitchen science. Is this also the reason why drink machines drop your can on it's side, to dislodge some of the bubbles?

[daveshorts]

It will do this, and I think it is because the impact is absorbed by the drink spinning rather than shaking and going turbulent which tends to mix in less bubbles than dropiing vertically, and the ones it will I think are larger so float up much quicker.

[paul.fr]

excellent, cheers dave.