The evolution of the first animals may have oxygenated the earth's oceans – contrary to the traditional view that a rise in oxygen triggered their development.
Earth Sciences
Mar 9, 2014
3
1
University of Adelaide researchers have discovered how grapes "breathe," and report that shortage of oxygen leads to cell death in the grape.
Plants & Animals
Mar 2, 2018
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334
Modern mountain climbers typically carry tanks of oxygen to help them reach the summit. It's the combination of physical exertion and lack of oxygen at high altitudes that creates one of the biggest challenges for mountaineers.
Earth Sciences
Jun 4, 2015
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128
As greenhouse gas emissions continue to warm the world's oceans, marine biodiversity could be on track to plummet within the next few centuries to levels not seen since the extinction of the dinosaurs, according to a recent ...
Earth Sciences
Apr 28, 2022
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225
Around the world, wide swaths of open ocean are nearly depleted of oxygen. Not quite dead zones, they are "oxygen minimum zones," where a confluence of natural processes has led to extremely low concentrations of oxygen.
Earth Sciences
Dec 19, 2016
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27
Warmer temperatures cause greater reduction in the adult sizes of aquatic animals than in land-dwellers in a new study by scientists from Queen Mary, University of London and the University of Liverpool.
Ecology
Nov 5, 2012
1
0
Disrupting just one process in the important relationship between microbes and bigger plants and animals that live in ocean floor sediment may have knock-on effects that could reduce the productivity of coastal ecosystems, ...
Environment
Aug 29, 2013
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0
The semi-aquatic earthworms in the genus Glyphidrilus are somewhat unfamiliar species that live between the terrestrial and freshwater ecosystems of rivers, streams, canals, ponds, swamps and paddy systems. Remarkably, each ...
Plants & Animals
Feb 6, 2013
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0
The physical relief—in body weight—that temperate fish like cod and Atlantic herring experience after they spawn for the first time allows them to breathe in more oxygen and develop a voracious appetite, all of which ...
Plants & Animals
Nov 6, 2023
1
27
All the excitement about nanotechnology comes down to this: Structures of materials at the scale of billionths of a meter take on unusual properties. Technologists often focus on the happier among these newfound capabilities, ...
Bio & Medicine
Aug 23, 2011
1
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