Substitution reactions are fundamental in organic chemistry, demonstrating how molecules can be transformed into different structures. In a substitution reaction, one functional group in a compound is ...

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 ...

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.

Raptors drop their first game post trade deadline.

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 ...

Remarkably, this chemistry transforms lysine, a nucleophile, into an electrophilic warhead. We demonstrate its versatility in late-stage peptide diversification, precision protein engineering, and ...

The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, ...

The 2025 JEE Main session 1 is planned to be conducted on 22, 23, 24, 28, 29, and 30 January. The National Testing Agency (NTA) has already released the 2025 JEE Main ...

Sarah Vine and Andrew Pierce bring their own no-holds-barred opinions, insights and reaction (clue is in the title) to the biggest stories of the week. New episodes every Wednesday, wherever you ...

Aging is associated with delayed processing in choice reaction time (CRT) tasks, but the processing stages most impacted by aging have not been clearly identified. Here, we analyzed CRT latencies in a ...