These problems on the exams focus on the math you need to pursue further study, in disciplines like science and career opportunities in the stemfield of science and technology, engineering and math.
这一部分的数学题注重数学在科学研究，技术研发，工程，数学研究这些主要学科中的应用。
2
The good news for the field of stem-cell therapy comes from a paper published in this week's Lancet.
干细胞治疗领域的好消息来自本周发表在《柳叶刀》杂志上的一篇论文。
3
Stem cells, nanotechnology, genetic engineering and therapeutic cloning are being used in the relatively new field of anti-aging medicine.