Health & Medicine

Re-infection possible after recovering from Covid-19?

The coronavirus SARS-CoV-2 (Image: creativeworks / iStrock) So far, people who have survived Covid-19 disease have been considered protected: their immune system protects them...

Insulin-producing organoids

Islet cell organoids, where the green color indicates insulin production. (Image: Salk Institute) Hope in the fight against type 1 diabetes: Using stem cell...

Sars-CoV-2: Movable like a balloon on a string

Model of four spike proteins from Sars-CoV-2. Sugar deposits are marked in green. (Image: MPI for Biophysics) The prickly proteins protruding from its...

Tracking down the roots of syphilis

Analysis of old DNA samples in the laboratory. (Image: UZH) According to popular belief, the sailors around Christopher Columbus brought syphilis to Europe. ...

With multifocal contact lenses against myopia

http://dx.doi.org/10.1001/jama.2020.10834 Nearsightedness occurs when a child's eyeball grows too much - and the level of sharpest vision is therefore in front of the retina. ...

Sperm: This is how they really swim

Tiny messengers on behalf of life: constant movements of the tail drive sperm forward in their search for the egg - it was previously...

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