皮蛋是我们中国特有的也很常见的一种食品,但因为它黑乎乎的外表给人一种放了很久的感觉,于是没见过皮蛋的外国人给它取来了一些有趣的名字——世纪蛋(century egg)、百年蛋(hundred-year egg),甚至是千年蛋(thousand-year egg, millennium egg)。当然,真实世界中,皮蛋肯定不是千百年前的蛋,但如果真的有蛋“腌渍”了上千万年,它会是什么样呢?
连食物链顶端的贝爷都要对皮蛋“敬畏三分”(图源:《跟着贝尔去冒险》节目截图)
翼龙的软壳蛋化石(图源:参考文献〔1〕)
而科学家也找到了最新的证据,证明了原始的恐龙蛋壳其实也是软的。
这项成果发表在《自然》杂志上,主要的研究对象是两种比较原始恐龙的蛋。
三角龙复原想象图(图片来源:Veer图库)
腕龙复原想象图(图片来源:Veer图库)
参考文献
1. Wang X, Kellner AWA, Jiang S, et al. Sexually dimorphic tridimensionally preserved pterosaurs and their eggs from China [published correction appears in Curr Biol. 2014 Jul 21;24(14):1677]. Curr Biol. 2014;24(12):1323-1330. doi:10.1016/j.cub.2014.04.054
2. Norell, M.A., Wiemann, J., Fabbri, M. et al. The first dinosaur egg was soft. Nature (2020). https://doi.org/10.1038/s41586-020-2412-8
3. L.J. Legendre et al. A giant soft-shelled egg from the Late Cretaceous of Antarctica. Nature, published online June 17, 2020; doi: 10.1038/s41586-020-2377-7
4. Kohei Tanaka et al. Exceptionally small theropod eggs from the Lower Cretaceous Ohyamashimo Formation of Tamba, Hyogo Prefecture, Japan, Cretaceous Research (2020). DOI: 10.1016/j.cretres.2020.104519
5. Tiny japanese dinosaur eggs help unscramble cretaceous ecosystem (2020, June 25) retrieved 25 June 2020 from https://phys.org/news/2020-06-tiny-japanese-dinosaur-eggsunscramble. Html
6. Dawson R R, Field D J, Hull P M, et al. Eggshell geochemistry reveals ancestral metabolic thermoregulation in Dinosauria[J]. Science Advances, 2020, 6(7): eaax9361.
文章来源:科普中国网
点亮 ,告诉大家你也在看
热门跟贴