Theropod dinosaur jaws became stronger as they evolved

Journal Reference: Waisum Ma, Michael Pittman, Richard J. Butler, Stephan Lautenschlager. Macroevolutionary trends in theropod dinosaur feeding mechanics. Current Biology, 2021; DOI: 10.1016/j.cub.2021.11.060 Researchers used digital modelling and computer simulation to uncover a common trend of jaw strengthening in theropods — expanding the rear jaw portion in all groups, as well as evolving an upturned … Read more

Jaws of defeat: Anglers’ emotions toward shark depredation is key to conservation

Journal Reference: Grace A. Casselberry, Ezra M. Markowitz, Kelly Alves, Joseph Dello Russo, Gregory B. Skomal, Andy J. Danylchuk. When fishing bites: Understanding angler responses to shark depredation. Fisheries Research, 2022; 246: 106174 DOI: 10.1016/j.fishres.2021.106174 Imagine hooking the big one, a trophy fish, only to have it eaten by another marine creature before you can … Read more

Mammals’ noses come from reptiles’ jaws

Journal Reference: Hiroki Higashiyama, Daisuke Koyabu, Tatsuya Hirasawa, Ingmar Werneburg, Shigeru Kuratani, Hiroki Kurihara. Mammalian face as an evolutionary novelty. Proceedings of the National Academy of Sciences, 2021; 118 (44): e2111876118 DOI: 10.1073/pnas.2111876118 The traditional scientific understanding of facial evolution is that both mammalian and reptilian jaws develop in almost the same way. Even though … Read more