You can find drill bits with imperial and metric units printed on them, but what about letters? Here's what an A (or B and so ...

This gave rise to Project CETI (Cetacean Transition Initiative), a 50-plus person team of marine biologists, A.I. experts, ...

Vitamin A palmitate is a form of vitamin A. It’s found in animal products, such as liver, eggs, and cheese. It’s also called preformed vitamin A and retinyl palmitate. Vitamin A palmitate is available ...

Hypervitaminosis A can be diagnosed using blood tests to check your vitamin A levels. Most people improve simply by decreasing their intake of vitamin A. Hypervitaminosis A, or vitamin A toxicity, ...

You know the "type:" So-called “Type A” personalities are hard-charging, determined to compete and to win. Combining traits such as drive and impatience, Type A was once thought to be related to heart ...

Hepatitis A, also called hep A, is a contagious liver infection caused by the hepatitis A virus. Some people have only a mild illness that lasts a few weeks. Others have more severe problems that can ...

There are four types of influenza virus. Influenza A is the most common, followed by influenza B. Both are highly contagious and have similar symptoms, including fever, chills, and body aches.

Issues of equality and acceptance of transgender and nonbinary people — along with challenges to their rights — have become a major topic in the headlines. These issues can involve words and ideas and ...

Type A and type B are two main personality categories. People with type A personalities may be ambitious, aggressive, and competitive. People with type B personalities may be laid back, flexible, and ...

Many traits of a type A personality lead to success in careers. You speak to people directly and say what you feel. You make decisions easily and work hard to get things done and done right. You work ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can escape the powerful tug of a black hole's gravity. And anything that ...