The molecular hydrogen ion H₂⁺ is the simplest molecule. This simplicity makes it a perfect study object for physicists, as ...

In the Cretaceous period, Earth was plagued by widespread volcanic activity, oceanic oxygen depletion events, and mass extinctions. Fossils from that era remain and continue to give scientists clues ...

Most forms of income count as taxable — but not all. Here’s how to calculate yours and some ways to reduce your liability. Many, or all, of the products featured on this page are from our advertising ...

A new class of 2D materials known as MXenes holds the key to next-generation applications, such as consumer electronics and ...

The white dwarfs reach speeds of almost 4x needed to escape the Milky Way’s gravitational pull. Researchers at the ...

What are the effects of fusion on the environment? Fusion is among the most environmentally friendly sources of energy. There are no CO 2 or other harmful atmospheric emissions from the fusion process ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Michael Logan is an experienced writer, ...

The healthy weight range is based on a measurement known as the body mass index (BMI). This can be determined if you know your weight and your height. The Body Mass Index (or BMI) is a way of seeing ...

Body mass index (BMI) estimates how healthy your weight is based on your height. There's no "perfect weight" that fits everyone, but BMI can help most adults understand their weight-related health ...