Drone lifeguard saves 14-year-old
A lifeguard drone saved the life of a 14-year-old caught in a powerful tide off a beach in Valencia, Spain, moments...
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A lifeguard drone saved the life of a 14-year-old caught in a powerful tide off a beach in Valencia, Spain, moments...
When NASA's Perseverance vehicle arrived this Thursday on the surface of Mars, it not only achieved a space milestone...
Regenerating the forests that sat on much of that land would ordinarily take years and involve hundreds of people...