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Even in the Bronze Age, Humans Altered Soil Chemistry
Kerry Grens | Jun 13, 2018
Ancient bones from Ireland reveal that farming has changed nitrogen composition in land for the last 3,000 years.
Building Blocks of Life May Have Formed in Water Droplets
Ashley Yeager | Oct 23, 2017
Reactions that generate fundamental components of the cell run smoothly in microdroplets, study shows.
RNA World 2.0
Jef Akst | Mar 1, 2014
Most scientists believe that ribonucleic acid played a key role in the origin of life on Earth, but the versatile molecule isn’t the whole story.
Tracy Vence | Jan 1, 2014
It’s been decades since researchers confirmed the presence of gold in plants, but biogeochemical prospecting has yet to catch on.
Life Below the Seabed
Ruth Williams | Mar 14, 2013
Rock samples from deep within the Earth’s oceanic crust contain chemosynthetic microbial life.
Meteorite hints at life’s origins
Tia Ghose | Jun 9, 2011
As debate continues to swirl around arsenic-loving bacteria, a space rock yields new astrobiological clues.