柠檬问题是指买家无法确定产品质量,因此只愿意支付反映平均质量的价格。
The universe is not only stranger than we imagine, it is stranger than we can imagine.
The story of human evolution is far from over.
"In the end, the only thing that matters is the truth."
Innovation in gas extraction isn't just about efficiency—it's about ethics.
Climate change is the greatest challenge agriculture has ever faced, but also its greatest opportunity for reinvention.