LONDON, England, Sept. 30 -- Nature, a peer-reviewed journal that says it features science and technology, published research articles on the following topics in its Sept. 30, 2021 edition:

Research:

* The importance of lake breach floods for valley incision on early Mars

* Imaging two-dimensional generalized Wigner crystals

* Non-Hermitian topological whispering gallery

* Extremely anisotropic van der Waals thermal conductors