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A powerful earthquake, measured at magnitude 7.4, has struck Colombia, killing dozens of people and trapping many under rubble. Cities including Cali, Pereira and Manizales were among the hardest-hit.

A powerful earthquake, measured at magnitude 7.4, has struck Colombia, killing at least 73 people. Cities including Cali, Pereira and Manizales were among the hardest-hit.

A new 3D printing technique can produce exceptionally hard tungsten carbide cobalt while using less of its expensive raw materials. By softening rather than fully melting the material, researchers created defect-free samples with industrial-grade hardness and opened the door to m

Brent crude jumps 3.4% and European markets drop, with airlines including Ryanair among hardest hitBusiness live – latest updatesOil prices jumped and stocks fell after the US launched a fresh wave of attacks against Iran amid an escalating standoff over the strait or Hormuz.Brent crude, the international benchmark for oil prices, rose 3.4% to $78.59 a barrel on the renewed hostilities in the Middle East. It had been trading at $72.48 before the outbreak of the war in February, and hit