As numerous varsity campuses remain closed during the coronavirus disease 2019 pandemic, educators must look for suitable digital tools to conduct lessons and engage learners online. In this report, we discuss how to structure the online lessons using the Community of Inquiry framework (CoI). The CoI was applied to the university elective course "Learning to Choose Better", taught by chemistry faculty. By using the appropriate digital tools in our course, we found success in achieving engagement, active learning, and team teaching. Until the world finds a resolution to the pandemic, online teaching will continue to be the new normal. Educators could view this time as a prime opportunity to experiment, innovate, and break new grounds in the realm of remote online teaching.

It is demonstrated that certain structural assemblies of G-quadruplex are capable of performing selfcleaving actions in a site specific fashion.

AgInSe 2 nanorods (NRs) with diameter of 15 nm have been investigated for their nonlinear optical responses by using Z-scan and transient absorption techniques with femtosecond laser pulses of photon energy greater than the bandgap. At excitation irradiance of 20 GW/cm 2 , AgInSe 2 NRs reveal saturation in the nonlinear absorption and optical Kerr nonlinearity with a recovery time determined to be a few ten picoseconds. Such large saturable absorption and Kerr nonlinearity exhibit a third-order susceptibility of 1.2 x 10 -8 esu and a figure of merit of 0.04 esu.cm.s -1 , making AgInSe 2 NRs a promising candidate for saturable absorption devices.

It is demonstrated that the shapes and magnitudes of DNA writhe can be precisely manipulated solely through maneuvering the nucleotide sequence of DNA and without the assistance of topoisomerases.

It is demonstrated that the right and left handedness of DNA supercoils can be engineered precisely and readily at the molecular level in vitro through utilization of the invading property of peptide nucleic acid.