A hypersensitivity reaction happens when the immune system mistakenly identifies harmless substances as harmful. There are several types of hypersensitivity reactions, depending on the class of ...

Sanuj Bhatia, the managing editor at Pocketnow, is responsible for supervising and contributing to all the content published on the website, including news, reviews, features, and how-tos. He began ...

Everybody wants a little of that TikTok magic. To that end, Twitter is rolling out a new test feature that invites people to post video reactions to tweets instead of quote-tweeting the old-fashioned ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...