Romania center explores world's most powerful laser

"Ready? Signal sent!" In the control room of a research center in Romania, engineer Antonia Toma activates the world's most powerful laser, which promises revolutionary advances in everything from the health sector to space.

Three critical factors in the end-Permian mass extinction

Two-hundred fifty-two million years ago, volcanic eruptions led to massive climate changes. Around the globe, roughly 75 percent of all land-based organisms and roughly 90 percent of all marine organisms died out as a result. ...

Sri Lanka recovers black box from sinking ship

A black box from a ship loaded with chemical and plastic that is sinking off Sri Lanka has been located, officials said Sunday, as investigators probe what caused the vessel to catch fire.

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