Only about half are biologists; the others range from software engineers to historians, from grandmothers to middle-schoolers.
在这些玩家中，只有一半是生物专业的，其他人从软件工程师到历史学家，从老太太到中学生都有。
2
But they project that before the next full moon, they will need the help of middle-schoolers across the country to understand an impending environmental disaster, secrets that they alone can uncover.