Health & Medicine

Why doesn’t it get dark when you blink?

Every few seconds we blink to moisten our eyes. (laflor / istock) Actually, it should go black before our eyes every few seconds: Whenever...

Why the top venomous spider is so toxic

The bite from an Australian funnel-web spider can be fatal. (Image: Dr David Wilson) On the trail of deadly potential: Researchers have clarified why...

How hallucinogens work in the brain

Serotonin receptor with accumulated hallucinogen, left cryo-electron microscope image, right illustration. (Image: Skiniotis Lab, Stanford / Roth Lab, UNC-Chapel Hill) Drugs like LSD and...

Functional shift in early childhood

The importance of sleep changes in toddlerhood. (Image: dragana991 / iStock) Why do we need so much sleep and babies? Researchers are now...

Do allergies have a good root?

Artist's impression of a mast cell (center) with IgE antibodies (blue), the FcεRI receptor (red) and Staphylococcus aureus bacteria (yellow). (Image: Bobby R....

Man, woman – or …

Questioning look at the issue of gender. (Image: Devenorr / iStock) Which is actually the “stronger” gender and how clear is the distinction between...

A lack of oxygen in the tumor promotes metastasis

Cancer cells tend to spread when there is a lack of oxygen. (Image: peterschreiber.media/ iStock) Tumors are often much more poorly supplied with oxygen...

New insights into gene regulation

The regulation of our genes shapes the body and health. (Image: svisio / iStock) Since 2010, an international research team in the Genotype-Tissue Expression...

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