Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

Reduced blood flow to the brain is thought to be a key factor in many forms of dementia, including Alzheimer's, and ...

On 19 January 2026, Europe was treated to a stunning aurora spectacle like a true rarity, with large parts of Europe ...

Can I dig and divide my purpleheart bed before it starts growing this spring? Purpleheart is a true perennial in almost all ...

"What is good for the heart is good for the brain," one researcher says.

One of the major talking points heading into the New England Patriots vs. the Broncos AFC Championship Game has been how ...

Numerous studies have shown COVID infection ups the risk of heart problems, including heart attacks, strokes, damage to the ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Cholesterol is a key building block for testosterone. Through ...

Type 2 diabetes is closely tied to heart attacks and strokes, and the risk does not stay static – it rises year by year. A study from Karolinska Institutet adds an important detail to that picture: it ...