Sao Paulo’s largest water reservoir down to 5.6%

Sao Paulo’s largest water reservoir down to 5.6%

The Cantareira water system, largest of the six reservoirs that provide water to 20 million people living in the metropolitan area of Sao Paulo, Brazil is at 5.6% (as of January 20) of its capacity of one trillion liters (264 billion gallons), as reported by the water

2015 longer by a leap second

2015 longer by a leap second

At 23:59:60 UTC on June 30, 2015, a Leap Second will be added, making this day last for 86401 seconds instead of the usual 86400. This practice started in 1972 and since then a total of 25 leap seconds were added to the UTC time, last one in 2012. Correction of each UTC