Related topics: high blood pressure ยท blood vessels

Testing astronauts' lungs in Space Station airlock

Air was pumped out of the International Space Station's air lock for the first time in the name of science last week. Inside the cylindrical Quest airlock, ESA astronaut Samantha Cristoforetti and NASA's Terry Virts monitored ...

Soil temperature drives nitric oxide emission

Nitric oxide (NO) is a major contributor to atmospheric pollution, and forest soil is an important source of NO emission. However, there are great uncertainties in global forest soil NO emission due to lack of high-frequency ...

Image: Sounding rockets launch into an aurora

The interaction of solar winds and Earth's atmosphere produces northern lights, or auroras, that dance across the night sky and mesmerize the casual observer. However, to scientists this interaction is more than a light display. ...

Growing nitrogen footprint threatens our air, water and climate

A new study from Columbia University finds that nitrogen emissions from agricultural production in the tropics is likely to increase and, in some cases, overtake temperate climates, exposing more people to polluted air and ...

Beewolf symbiosis: Protective shield for allies

Researchers at the Max Planck Institute for Chemical Ecology in Jena and Johannes Gutenberg University in Mainz, Germany, report in a new study in the journal PNAS that the symbiosis of beewolves with their bacterial helpers ...

page 10 from 13