Seventh-grader Jacoby Yliniemi dropped a bowl of sand into the bucket being held up by his group’s toothpick bridge, bit his lip and then relaxed. The bridge was safe. At least for a second. Another ...
The suspension bridge 11-year-old Maryl Stone and her Shades Cahaba Elementary School classmates built isn't strong enough to support much. But it did support 13 pounds and won her group first place ...
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