With no dissolved oxygen to sustain animals or plants, ocean anoxic zones are areas where only microbes suited to the environment can live.
Earth Sciences
Dec 17, 2020
6
313
Spend time in any of the world's great forests and you'll start seeing the trees as immense pillars holding the heavens aloft while firmly anchored in the earth. It's as much fact as sentiment. Trees really do link the ground ...
Earth Sciences
Dec 16, 2020
0
6
When civil war broke out in Mozambique more than 40 years ago, it largely spelled doom for animals in Gorongosa National Park, a 1,500-square-mile reserve on the floor of the southern end of the Great African Rift Valley, ...
Ecology
Dec 14, 2020
0
74
In 2006, Greenpeace launched a campaign exposing deforestation caused by soy production in the Brazilian Amazon. In the previous year, soy farming expanded into more than 1,600 square kilometers of recently cleared forests. ...
Environment
Dec 14, 2020
1
153
"Happy families are all alike; each unhappy family is unhappy in its own way." So goes the first line of Leo Tolstoy's "Anna Karenina." Little did the Russian novelist know his famous opening line would one day be used to ...
Ecology
Dec 9, 2020
0
9
In recent years, it has become possible to use laser beams and electron beams to "print" engineering objects with complex shapes that could not be achieved by conventional manufacturing. The additive manufacturing (AM) process, ...
Materials Science
Dec 8, 2020
1
199
Over the past several decades, marine protected areas (MPAs) have emerged as a favored conservation tool. By protecting marine species and safeguarding habitat, these reserves help buffer ecosystems against natural and human-made ...
Ecology
Dec 7, 2020
0
161
In the years since astronomers discovered the first exoplanet—a planet that orbits a star outside the solar system—more than 4,000 have been observed. Usually, their presence is given away by the slight effects they have ...
Astronomy
Nov 23, 2020
1
481
Cells move constantly throughout our bodies, performing myriad operations critical to tissue development, immune responses and general wellbeing. This bustle is guided by chemical cues long studied by scientists interested ...
Cell & Microbiology
Nov 20, 2020
0
151
First introduced into wide use in the middle of the 20th century, nuclear magnetic resonance (NMR) has since become an indispensable technique for examining materials down to their atoms, revealing molecular structure and ...
Condensed Matter
Nov 16, 2020
0
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