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On the second floor of Morgan State University's engineering building, Jacob Walker, 12, is putting the finishing touches on a ruler he's just created.

Not yet an actual ruler. One he's designing on the computer. He just needs to add his initials — then it's time to produce it on a 3-D printer.

Jacob starts seventh grade in the fall and has big dreams. Building this ruler is all part of the plan.

"When I was a child," he says, "I loved to play with Legos, and it inspired me to be an engineer when I get older."

Israeli leaders vowed to find the suspected Israeli extremists behind an arson attack that killed a Palestinian toddler early Friday.

Zimbabwe is seeking the extradition of Walter Palmer, the American dentist who killed a famous lion named Cecil, which was being tracked in a university study.

At the stroke of midnight, tens of thousands of Indians and Bangladeshis living near the border between the two countries got their own country for the first time in 70 years.

As part of an agreement between the two nations, the fate of just under 15,000 people living in 51 Bangladeshi enclaves inside India and more than 37,000 in 111 Indian enclaves in Bangladesh has finally been determined. Most will stay where they are, but change their nationality. Some are moving, and some of them are leaving behind family members.

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