Medical research

Researchers grow 'synthetic' embryo with brain and beating heart

Researchers from the University of Cambridge have created model embryos from mouse stem cells that form a brain, a beating heart, and the foundations of all the other organs of the body—a new avenue for recreating the first ...

Neuroscience

Novel sensors enable precise measurement of dopamine

Dopamine is an important signaling molecule for nerve cells. Its concentration could not be precisely determined with both high spatial or temporal resolution until now. A new method has now made this possible: A research ...

Medications

The struggle to define psychedelics

Psychoactive drugs include all manner of hallucinogens, deliriants, hypnotics and psychedelics. But what is a psychedelic, really? Insofar as many in the field are now moving toward bringing new molecules with presumably ...

Medical research

Start-stop system of hunting immune cells

Neutrophils belong to the first responders of our immune system. They circulate in our bodies and hunt in infected tissues to ingest, kill, and digest harmful pathogens. To become such effective killers in the very complex ...

Neuroscience

Gut to brain: Nerve cells detect what we eat

The gut and the brain communicate with each other in order to adapt satiety and blood sugar levels during food consumption. The vagus nerve is an important communicator between these two organs. Researchers from the Max Planck ...

Genetics

Missed signals? A new way we vary from each other biologically

Genetics has made huge strides over the past 20 years, from the sequencing of the human genome to a growing understanding of factors that turn genes on and off, namely transcription factors and the DNA "enhancer" sequences ...

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