Tragedy and breakthrough mark this, and all, May Days. On the upside, it was on this day that Carl Linnaeus set up the regular naming structure for those in the plant kingdom.
Looking down, today marks the passing of Formula One driver Ayrton Senna, during a race. Find about these events and more on today's Tech Time Machine.
Chicago Auto Show: Catch up on everything you may have missed from Chicago.
Geneva Motor Show: Get ready for the first major European auto show of the year.
Discuss: Tech Time Machine: 1 May
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