“The blood-brain barrier is an essential defense mechanism, but it also presents a significant challenge for delivering drugs ...

Effective immunity hinges on the ability to sense infection and cellular transformation. In humans, there is a specialized ...

When frostbitten limbs warm up again, blood rushes back into the tissue. With that blood come compounds such as histamines ...

When a vertebrate embryo develops, a group of cells self-organizes into the neural tube, eventually becoming the brain and the spinal cord. This involves specific signals, but how these signals are ...

Scientists have revealed the key facial expressions that determine whether or not someone is suffering from a severe form of ...

This work will be of high interest to a broad swathe of scientists studying native macromolecules present at low concentrations in cells. Cryo-EM single-particle analyses typically require target ...

New images show the rapidly rotating pulsar of the "Guitar Nebula" shooting out a gigantic cosmic plume of plasma, X-rays and supercharged particles spinning along a magnetic field line in ...

The symptoms of anxiety and depression overlap in many ways—both conditions create irritability, insomnia, and difficulty concentrating, for example. Researchers know that some of the same brain ...

Nuclear condensates play many important roles in chromatin functions, but how cells regulate their nucleation and growth within the complex nuclear environment is not well understood. Here, we report ...

The researchers have filed a patent application to protect their invention, which reduces catalyst deactivation.