Topics covered will include models of chemical bonding, acid-base relationships, three-dimensional molecular structure (conformations and stereochemistry), reaction mechanisms and energy diagrams, ...

Adding fluorine to drug molecules can be tricky, but is often worthwhile. Rachel Brazil talks to the chemists trying to tame ...

Allergies are an immune system reaction to substances called allergens. The cause a range of symptoms from a stuffy nose to itchy eyes to difficulty breathing. How long allergies last varies based on ...

Alkanes - Conformations ... nature of C-X bond, mechanisms of substitution reactions. Uses, environmental effects of chloroform, iodoform, freons and DDT. Alcohols: Identification of primary ...

Reaction formation may be a temporary coping mechanism, but it’s unproductive in the long run. It ignores underlying beliefs or challenges that need to be addressed, which can hurt mental health.

Copyright 2025 The Associated Press. All Rights Reserved. Manchester United’s Denis Law, right, and Fulham’s Bobby Robson give chase during their an English first ...

It is a common practice for decades to use of sub-therapeutic dose of antibiotics in food-animal feeds to prevent animals from diseases and to improve production performance in modern animal husbandry ...

Feb. 12, 2025 — Researchers developed a method to recycle all parts of a solar cell repeatedly without environmentally hazardous solvents. The recycled solar cell has the same efficiency as the ...