Once children are proficient in those basics they would be free to turn to other activities that are equally essential for math and science: devising original experiments, observing the natural world and counting things, whether they be words, events or people. (sohoparenting.com)
The original experiment is a bit harder to interpret than another one. (religion-online.org)
This grapefruit souffle stems from my original experiment with souffle, this chocolate almond souffle. (aclassictwist.com)