How much energy does a dolphin use to swim?
From foraging for prey to evading predators, ship strikes or other dangers, a dolphin's survival often hinges on being able to crank up the speed and shift its swimming into high gear.
From foraging for prey to evading predators, ship strikes or other dangers, a dolphin's survival often hinges on being able to crank up the speed and shift its swimming into high gear.
Plants & Animals
Feb 24, 2022
0
130
Leading a double life in water and on land, frogs have many breathing techniques—through the gills, lungs, and skin—over the course of their lifetime. Now German scientists have developed another method that allows tadpoles ...
Molecular & Computational biology
Oct 13, 2021
0
108
Researchers at Lund University in Sweden have discovered that bird blood produces more heat in winter, when it is colder, than in autumn. The study is published in The FASEB Journal.
Plants & Animals
Apr 9, 2021
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1359
Warming ocean waters could reduce the ability of fish, especially large ones, to extract the oxygen they need from their environment. Animals require oxygen to generate energy for movement, growth and reproduction. In a recent ...
Ecology
Jan 21, 2021
1
54
Measurements as well as model calculations equally show that the oxygen inventory of the oceans is decreasing. However, the models underestimate this decrease significantly making projections into the future problematic. ...
Earth Sciences
Jun 11, 2018
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59
At the bottom of an icy Antarctic lake, a thin, slimy layer of bright green microbes is generating a tiny oasis of oxygen that might give a picture of what early Earth looked like before oxygen became common in the atmosphere. ...
Earth Sciences
Jan 20, 2016
0
31
It's not easy being a mayfly. Mayflies are insects that spend most of their life in water and provide clues about the health of our streams and other waterways.
Plants & Animals
Sep 26, 2014
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0
The Baltic Sea is suffering from a lack of oxygen. Poor oxygen conditions on the seabed are killing animals and plants, and experts are now sounding the alarm—releasing fewer nutrients into the Baltic Sea is absolutely ...
Environment
Mar 31, 2014
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0
Although long thought to be devoid of life, the bottom of the deep ocean is now known to harbor entire ecosystems teeming with microbes. Scientists have recently documented that oxygen is disappearing from seawater circulating ...
Earth Sciences
Sep 27, 2013
0
0
A common songbird may have acquired genes from fellow migrating birds in order to travel greater distances, according to a University of British Columbia study published this week in the journal Evolution.
Evolution
Sep 20, 2013
7
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