A well-preserved fossil snake from the Late Cretaceous of Brazil shows early ecological and brain shape disparity in the group.

Muscle architecture is a key determinant of muscle performance, informing the calculation of functional traits such as force production and excursion distance. Due to its importance in understanding ....

We examined the external shape and cross-sectional morphology of limb bones in 133 salamander species spanning the ecological and phylogenetic breadth of Caudata. We find that adaptations for aquatic...

Teeth have been a prominent feature of most vertebrates for 400 million years, and the core regulatory network underlying embryonic tooth formation is deeply conserved. In frogs, however, odontogenesi...

Synopsis. The tongues of pangolins are among the more derived of other mammalian ant-eating specialists, extending nearly a body length to capture food. Pa

Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...

Nature - The breakneck pace and devastating impact of the administration’s policy changes has researchers shocked.

NIH Funding Opportunities and Notices in the NIH Guide for Grants and Contracts: Notice of Legislative Mandates in Effect for FY 2024 NOT-OD-24-110. NIH

A federal judge has temporarily blocked a Trump administration freeze on federal grants and loans that could total trillions of dollars. U.S. District Judge Loren L.

Select a state on the map to see the impact of NIH funding across America.