Earth
Researchers assess effects of a world awash in nitrogen
Humans are having an effect on Earth’s ecosystems but it’s not just the depletion of resources and the warming of the planet we are causing. Now you can add an over-abundance of nitrogen as another “footprint” humans are leaving behin…
Scientists find microbes in lava tube living in conditions like those on Mars
A team of scientists from Oregon has collected microbes from ice within a lava tube in the Cascade Mountains and found that they thrive in cold, Mars-like conditions.
The microbes tolerate temperatures near freezing and low levels…
Study shows more shrubbery in a warming world
Scientists have used satellite data from NASA-built Landsat missions to confirm that more than 20 years of warming temperatures in northern Quebec, Canada, have resulted in an increase in the amount and extent of shrubs and grasses. “For the first tim…