近日，窦凯课题组在心理学领域期刊《Current Psychology》(SSCI-Q2)上发表题为“Neural underpinnings underlying the influence of peer competition on ...

Moody's latest downgrade of U.S. sovereign credit ratings to Aa1 from Aaa is expected to intensify downward pressure on the U ...

NEW YORK, May 18 (Xinhua) -- Moody's latest downgrade of U.S. sovereign credit ratings to Aa1 from Aaa is expected to intensify downward pressure on the U.S. economy, which is facing recession risks ...

恐龙继续繁盛，但最终灭绝。 恐龙起源于三叠纪晚期，由一种叫做“初龙类”的爬行动物演化而来。 具体哪种原因导致了恐龙的灭绝，仍然是一个未解之谜。可能恐龙的灭绝是多种因素共同作用的结果。 恐龙分为两大类：蜥臀目和鸟臀目。 蜥臀目 骨盆结构与 ...