THERE has been considerable discussion during the past thirty years or so about the shape and in particular about the planarity of the fluorene molecule. If the molecule is not flat, then there is ...

a macrocyclic molecule with a cup-like structure designed to capture negatively charged ions (anions). Its rigid yet adaptable cavity contains four NH groups that form hydrogen bonds with incoming ...

We aren't able to respond to your individual comments or questions.

Apr. 21, 2025 — Tuberculosis (TB) is an infectious disease that kills more than a million people worldwide every year. The pathogen that causes the disease, Mycobacterium tuberculosis, is deadly ...

But at island arcs, such as the so-called Ring of Fire which encircles the Pacific Ocean, this volcanism has a distinctive chemical fingerprint nearly identical to that of today’s average ...

A recent experiment using the U.S. Department of Energy’s Jefferson Lab has revealed the inner structure of the neutron in ways never seen before. This milestone gives scientists a new tool to ...

For most adults, that comes out to about 12 teaspoons. Kids under 2 shouldn't have any added sugars at all. Carbs are necessary for a healthy diet. Simple carbs have a basic chemical structure and are ...

Neuroscientists have observed for the first time how structures deep in the brain are activated when the brain becomes aware of its own thoughts, known as conscious perception. The brain is ...

Molecular and cellular biology research studies molecules and cells in order to improve human health and the environment. Our research groups have many fruitful interdisciplinary interactions with ...