To combat poor brain development at an early age, neuroscientists are creating video games that specifically develop prefrontal cortex functions in school age kids.
Singer says not a single Western aerospace company has a manned combat aircraft in research and development.
彼得·辛格说没有一家西方航空公司能够单独完成有人战斗机的研发工作。
3
Six controlled skin pigment and hair development. Four helped the immune system combat disease-causing organisms, such as malarial parasites, that are a problem in some places, but absent from others.