Astronomy and astrophysics are the study of objects and phenomena that are found beyond our solar system. This combines theoretical simulations and observation with both terrestrial and ...

Every day, employees make decisions about whether to act like givers or like takers. When they act like givers, they contribute to others without seeking anything in return. They might offer ...

Electrical and electronic engineering is the branch of engineering that makes use of electricity. Electrical engineering concentrates on systems for generating and transmitting large electrical ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Suzanne is a content marketer, writer, and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

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 ...

A colon is used to give emphasis, present dialogue, introduce lists or text, and clarify composition titles. Emphasis—Capitalize the first word after the colon only if it is a proper noun or the start ...

Hugs can have health benefits, including reducing fear, stress, and pain. They may also support immune and cardiovascular health. Share on Pinterest We hug others when we’re excited, happy, sad, or ...

Rheumatoid arthritis (RA) and lupus are autoimmune diseases. They result from your immune system mistakenly attacking your own body. With RA, your immune system mainly attacks your joints. That's also ...

WSJ Puzzles is the online home for America’s most elegant, adventurous and addictive crosswords and other word games.Read more about our puzzles. To reach us, email support@wsj.com. Tips for Playing ...

January 9, 2026 • The U.S. is cutting the Hepatitis B vaccine from its recommended list. But here's a place where the medical establishment — and a rapper — are eager to obtain it.