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#1271Computer Science & AIFront Page7 January 2026

Learner Engagement Detection: How AI Reads the Room When the Teacher Can't

Researchers have trained an AI model to identify student engagement levels through facial expressions with high accuracy. The study reveals a significant drop in attention after just six minutes and links emotional engagement to better test scores.

By Chen, Han, Niu, He

#1272Genetics & Molecular BiologyFront Page15 March 2026

A Chemical Switch for Conditional Gene Editing: Reversible Control Over CRISPR RNA

Researchers have engineered a reversible chemical switch that pauses and resumes CRISPR-Cas9 activity. By modifying guide RNA with a highly reactive azide molecule, scientists can halt DNA cleavage and restore it on demand.

By Zhu, Xiong, Yang, Qi, Liu, Zhou, Tian

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