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The habitable zone concept is useful for understanding which worlds might, possibly, maybe, be habitable. It highlights exoplanets at the right distances from their stars for liquid water to potentially exist on their surfaces. ...

Brain-resident immune cells that have reached an old-age state called "senescence" secrete a protein that causes dysfunction in other brain cells, according to a study led by investigators at Weill Cornell Medicine. The discovery ...

Egyptian blue, considered the world's earliest synthetic pigment, was prized for its stable blue hues and served as a common blue paint in Egypt as early as 5,000 years ago, as well as the base material for small items such ...

What is the past? It may seem a simple question to answer, but it is more complex than we might think at first. As science, politics, technologies and ways of thinking change, so does our understanding of what went before.

Transporting molecules across biological membranes is essential for life. In nature, this can occur through passive transport, known as diffusion. "Biological systems often use mechanical motion to accomplish tasks that cannot ...

Multiple sclerosis (MS) is the most common chronic autoimmune disease of the central nervous system. An early and accurate diagnosis is crucial for improving the effectiveness of treatment and reducing nerve damage. To standardize ...

Scientists at St. Jude Children's Research Hospital created a single-cell atlas of a key class of spinal neurons involved in motor coordination. From that resource, they identified a small subgroup of interneurons associated ...

For more than 30 years, one piece of pregnancy advice has been remarkably consistent: Take folic acid. The reason is clear. Folic acid, or vitamin B9, can lower the risk of neural tube defects, serious birth defects that ...

In a study conducted at the Universities of Jyväskylä and Eastern Finland, more screen time since childhood was associated with better cognitive processing in adolescence. According to one of the researchers, we should not ...

Scientists have shown that genomics can help identify which wild populations are most vulnerable to climate change—offering practical guidance for conserving threatened species before declines become irreversible.

Skin appearance plays an important role in the perception of age, health and attractiveness. Of course, skin appearance is affected by actual skin condition, but previous research has also found that it is affected by adjacent ...

Toxoplasma gondii, or Toxoplasma, is a parasite that infects hundreds of millions of people around the world. Although cases are often mild, it can cause severe symptoms in people with weakened immune systems and developing ...