Biology

Salmonella: Intestinal flora as reason for asymptomatic disease progression

Salmonella infections can result in a broad spectrum of illnesses. According to the latest research findings, one reason why some cases are harmless while others are very severe lies in the intestinal flora.

Brain ‘noise' keeps nerve connections young

EPFL researchers have found that a form of neuron-to-neuron communication that has long been dismissed as ‘background noise’ is required to keep nerve junctions intact as animals age. The finding suggests that defects in this type of neural communication could contribute to neurodegenerative disorders and other brain conditions.

Toxicity testing on the placenta and embryo

Researchers at ETH Zurich have developed a cell culture test to detect substances that are directly or indirectly harmful to embryos. Based on an existing test used for developing new drugs and chemicals, the augmented version is designed to help reduce the number of animal experiments.

A 3D printer made entirely at EPFL

EPFL students have made a high-performance 3D printer that can print structures measuring just a few microns across.

Tracking down unreported Coronavirus cases

In the laboratories of PSI, researchers are producing proteins of the novel coronavirus Sars-CoV-2. The University Hospital of Zurich is using these in a long-term study to investigate how many people in Switzerland have actually been infected with the virus.

Unlocking the power of the microbiome

Not only animals and humans host a complex community of microorganisms – plants do this as well. Researchers at ETH Zurich have recently published two new studies that shed light on fundamental aspects of these close – and often overlooked – relationships.

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