by Vera H-C Chan Our picks from the day's hottest searches. Brazil Blackout (+3,067%). A storm left 60 million in the dark,and now the government's busy defending its grid as the country preps for a good economy and the 2014 World Cup. Carl Sagan (+1,199%). His 75th birthday on Monday prompted a Stephen Hawking musical salute, and now people are surfacing up the astronomer's own musical talents. Mayon Volcano (+903%).