Melting and boiling are changes of state.

These models show how the atoms and bonds are arranged in space. The diagram shows a ball-and-stick model of ammonia.

Attribution (BY): Credit must be given to the creator. Covalent organic frameworks (COFs) are created by the condensation of molecular building blocks and nodes to form two-dimensional (2D) or ...

Can new technology help us reverse the effects of climate change? The fate of humanity might lie in some of these ...

Abstract: We report phonon dressing-induced dipole moment alignment of nonpolar ions. Out-of-phase Fluorescence (FL) and in-phase Spontaneous Four-wave Mixing (SFWM) peak alignment are exhibited owing ...

We aim to build confidence in the safety and reliability of payment service providers’ services while protecting end users from specific risks. We’re taking steps to better understand the impacts of ...

This story was produced in partnership with the Pulitzer Center’s Ocean Reporting Network.

Department of Chemical and Biomolecular Engineering, National University of Singapore, 117585 Singapore ...

Even if you don’t consider yourself an investor, you’ve probably heard of bonds. Bonds are a relatively simple product to trade. Casual investors, and even those who don’t trade any other ...

Investors looking for stability often turn to the fixed-income market, seeking out the best bond funds and bond ETFs to buy. This is because these debt securities are often much less volatile than ...