Articles on Lungs

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A molecular model of the spike proteins (red) of SARS-CoV-2 binding to the angiotensin-converting enzyme 2 (ACE2) protein, the receptor (blue) which is its the entry route to the target cell. Juan Gaertner/Science Photo Library

What is the ACE2 receptor, how is it connected to coronavirus and why might it be key to treating COVID-19? The experts explain

The ACE2 receptor allows the virus that causes COVID-19 to infect and destroy our cells. What is the normal role of ACE2 in the body, and could it be the key to blocking infection?
Exercise has many benefits, including boosting defenses against complications that occur during SARS-CoV-2 infections. Julien McRoberts / Getty Images

Exercise may help reduce risk of deadly COVID-19 complication: ARDS

The health benefits of exercise for our mind and body are well documented. But did you know that exercise could lower the risks of the most dangerous COVID-19 complication?
What would Darwin consider the best adaptation to protect against the coronavirus? rolbos / Getty Images

What does ‘survival of the fittest’ mean in the coronavirus pandemic? Look to the immune system

Who is most likely to survive an infection of the new coronavirus? Two immunologists explain that it is those who mount exactly the right immune response – not too weak, not too strong.
How many lakes are in Alaska? Thermokarst lakes on Alaska’s North Slope are self-similar and fractal. Painting by Cherissa Dukelow

Mathematics of scale: Big, small and everything in between

What do earthquakes, wealthy Italian families and your circulatory system have in common? Scientists use fractals, self-similarity and power laws to translate from local to global scales.
Miners in several countries have suffered the side-effects of the gold bonanza. (AP Photo/Themba Hadebe)

Silicosis’s toxic legacy offers deadly lessons for today

Canada rushed to counter a deadly lung disease afflicting gold miners in the early 20th century. The "quick fix" cure that was invented is a symbol of the lurch towards global industrialization.

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