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Search for survivors of Colombia earthquake enters "final phase"

Rescuers in Colombia were making last-ditch efforts to locate earthquake survivors early Thursday as the critical 72-hour window for rescue operations neared its end.

  • 72-hour rescue window nearing end in Colombia earthquake
  • 265 deaths, 3,500 injuries reported in magnitude 7.4 quake
  • Rescuers focus on identifying missing, 26,000 families impacted
The first definition of the metre

The first definition of the metre

August 1 could well be celebrated as metre’s birthday as it was on this day in 1793 that the French National Assembly “affirmed the decimal system and the meridianal definition of the meter”.