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By Malcolm Ritter The Associated Press

Bones of hunted mammoth show early human presence in Arctic

NEW YORK The remains of a mammoth that was hunted down about 45,000 years ago have revealed the earliest known evidence of humans in the Arctic.

Marks on the bones, found in far northern Russia, indicate the creature was stabbed and butchered. The tip of a tusk was damaged in a way that suggests human activity, perhaps to make ivory tools.

Reusable rocket: In a first, booster returns to Earth gently enough to be reused, company says

NEW YORK A private space company announced Tuesday that it had landed a rocket upright and gently enough to be used again, a milestone in commercial aeronautics.

Reusing rockets, rather than discarding them, would be a big step toward making space flight less expensive.