Australian evolutionary biologist Roger Seymour did a simulation of how much blood pressure a gigantic sauropod would need in order to place its head vertically.

• 澳大利亚生物进化生物学家罗杰西摩做了一个模仿试验,模仿一个庞大的蜥脚类动物把头垂直抬高需要多少的血压。