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Ancient part of immune system may underpin severe COVID

One of the immune system's oldest branches, called complement, may be influencing the severity of COVID disease, according to a new study from researchers at Columbia University Irving Medical Center. Among other findings linking complement to COVID, the researchers found... Continue Reading →

Getting to the bottom of goosebumps

If you've ever wondered why we get goosebumps, you're in good company -- so did Charles Darwin, who mused about them in his writings on evolution. Goosebumps might protect animals with thick fur from the cold, but we humans don't... Continue Reading →

Declining eyesight improved by looking at deep red light

Staring at a deep red light for three minutes a day can significantly improve declining eyesight, finds a new UCL-led study, the first of its kind in humans. Scientists believe the discovery, published in the Journals of Gerontology, could signal the... Continue Reading →

COVID-19 causes ‘hyperactivity’ in blood-clotting cells

Changes in blood platelets triggered by COVID-19 could contribute to the onset of heart attacks, strokes, and other serious complications in some patients who have the disease, according to University of Utah Health scientists. The researchers found that inflammatory proteins... Continue Reading →

Newer variant of COVID-19-causing virus dominates global infections

Research out in the journal Cell shows that a specific change in the SARS-CoV-2 coronavirus virus genome, previously associated with increased viral transmission and the spread of COVID-19, is more infectious in cell culture. The variant in question, D614G, makes a small... Continue Reading →

Why are plants green?

When sunlight shining on a leaf changes rapidly, plants must protect themselves from the ensuing sudden surges of solar energy. To cope with these changes, photosynthetic organisms -- from plants to bacteria -- have developed numerous tactics. Scientists have been... Continue Reading →

What does the ‘love hormone’ do? It’s complicated

During the pandemic lockdown, as couples have been forced to spend days and weeks in one another's company, some have found their love renewed while others are on their way to divorce court. Oxytocin, a peptide produced in the brain,... Continue Reading →

‘Fat burning’ molecule has implications for treatment of obesity

Obesity affects more than 40 percent of adults in the United States and 13 percent of the global population. With obesity comes a variety of other interconnected diseases including cardiovascular disease, diabetes, and fatty liver disease, which makes the disease... Continue Reading →

Spring rains are a surprising source of pollen

Springtime rains can be a surprising source of pollen. University of Iowa researchers report that tree pollen fragments remain in the air for as many as 11 hours after heavy rains, and those granules can make their way deep into... Continue Reading →

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