Dr Ethan Siegel, leading astrophysicist, author of award-winning blog "Starts With A Bang" (our favourite blog EVER) - and the latest member of Charity Engine's science panel.

Wherever there are telescopes, detectors and space probes, there are huge computers analysing all that data.

An honour to have you aboard, sir...!

The stock markets are now choosing the $10,000 winning number:

?-2-0-5-5-8-9-0 (only two possible winners now; User #123 or User #438. The stock markets must pick a 0 or 1 to decide.)

Smallest digit first, so the winning number will revealed from right to left over the next few hours, as each of the exchanges closes for the day. 

Australia (AORD) = 0, Tokyo (Nikkei) = 9, Mumbai (Sensex) = 8, Moscow (MICEX) = 5, Frankfurt (DAX) = 5, London (FTSE) =0, Sao Paolo = 2, Toronto (S&P) = ?, New York (Dow Jones) = ?.