Like the leaves of New England maples, phytoplankton, the microalgae at the base of most oceanic food webs, photosynthesize when exposed to sunlight. In the process, they absorb carbon dioxide from the atmosphere, converting ...
Earth Sciences
Sep 9, 2015
34
171
Plant biologists at the University of Illinois and Michigan State University have pinpointed the area of genomes within nitrogen-fixing bacteria in roots, called rhizobia, that's being altered when the plant they serve is ...
Biotechnology
Apr 8, 2016
0
657
A team of researchers at the Sloan Kettering Institute working with a group at the American Museum of Natural History has found evidence of a change in human DNA after diverging from other primates that has made humans more ...
Desertification is a significant problem for arid, semi-arid and dry sub-humid regions of Earth, whereby grasslands and shrublands become a comparatively barren desert as vegetation disappears over time. This poses an extreme ...
Scientists plumbing the depths of the central equatorial Pacific Ocean have found ancient sediments suggesting that one proposed way to mitigate climate warming—fertilizing the oceans with iron to produce more carbon-eating ...
Earth Sciences
Mar 3, 2016
3
47
Most cells rely on structural tethers to position chromosomes in preparation for cell division. Not so oocytes. Instead, a powerful intracellular stream pushes chromosomes far-off the center in preparation for the highly ...
Cell & Microbiology
Aug 28, 2011
1
0
The 4,500-year-old iconography and texts from Mesopotamia show that the elite used equids for travel and warfare; however, the nature of these animals remained mysterious. In Science Advances (January 14, 2022), a team from ...
Plants & Animals
Jan 14, 2022
3
151
Already straining to host seven billion souls, Earth is set to teem with billions more, and only a revolution in the use of resources can avert an environmental crunch, experts say.
Social Sciences
Oct 23, 2011
144
0
The complicated sex life of the papaya is about to get even more interesting, thanks to a $3.1 million grant from the National Science Foundation. The grant will fund basic research on the papaya sex chromosomes and will ...
Biotechnology
Nov 2, 2009
0
0
Ongoing droughts and an over-exploitation of land for both agriculture and industry have stoked fears in Spain over the creeping spread of "sterile soil" which could devastate Europe's kitchen garden.
Environment
Aug 1, 2023
0
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