Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

OSSTET Syllabus 2025: OSSTET is scheduled to be conducted on 20th January 2026. Those who have applied for OSSTET must start their preparation soon as the exam date is approaching. The candidates are ...

Enzymes help with specific functions that are vital to the operation and overall health of the human body. They help speed up chemical reactions and are essential for respiration, digestion, muscle ...

The divergence of new genes and proteins occurs through mutations that modulate protein function. The effects of these mutations are pleiotropic, thus imposing trade-offs between selection pressures ...

Memory is the faculty by which the brain encodes, stores, and retrieves information. It is a record of experience that guides future action. Memory encompasses the facts and experiential details that ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

A personal commercial (also known as an elevator speech, personal introduction, 30-second commercial, etc.) is a quick, effective way to make an impressive introduction. You will use your personal ...