Charles Darwin suspected something in the "clear blue water" of the ocean that was even smaller than the protozoa he could see under the microscope. "Today we know that every liter of ocean water is swarming with hundreds ...
Earth Sciences
Nov 13, 2019
0
39
Where did life come from? In recent years, many scientists have shifted from favouring a "primordial soup" in pools of water to hydrothermal vents deep in the ocean as the original source of life on Earth. But one of the ...
Earth Sciences
Nov 07, 2019
0
56
A new study led by Yale University confirms a long-held theory about the last great mass extinction event in history and how it affected Earth's oceans. The findings may also answer questions about how marine life eventually ...
Earth Sciences
Oct 21, 2019
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2976
New kinds of organic compounds, the ingredients of amino acids, have been detected in the plumes bursting from Saturn's moon Enceladus. The findings are the result of the ongoing deep dive into data from NASA's Cassini mission.
Astronomy
Oct 02, 2019
6
1144
A famous experiment in 1953 showed that amino acids, the building blocks of proteins, could have formed spontaneously under the atmospheric conditions of early Earth. However, just because molecules could form doesn't mean ...
Biochemistry
Aug 07, 2019
1
901
A new study of seabirds that had ingested plastic debris has revealed the range of impacts on their health and physiology including a rise in cholesterol levels.
Environment
Jul 30, 2019
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300
The acidification of the oceans is recorded in the crystals of coral skeletons. This is a new tool for studying past environmental changes and combating climate change. Such is the main conclusion of a study led by the Spanish ...
Plants & Animals
Jul 11, 2019
0
0
There have been long periods of cooling in Earth's history. Temperatures had already fallen for more than 10 million years before the last ice age began about 2.5 million years ago. At that time, the northern hemisphere was ...
Earth Sciences
Jul 03, 2019
5
1
Shrimp fed on marine algae grown in acidic water do not undergo a sex change that is a characteristic part of their reproductive life-cycle, report Mirko Mutalipassi and colleagues at Stazione Zoologica Anton Dohrn in Italy ...
Environment
Jun 26, 2019
0
0
Europa, a frozen moon around Jupiter, is believed to be one of the most habitable worlds in the solar system. It was first imaged in detail by the Voyager 1 probe in 1979, revealing a surface almost devoid of large craters. ...
Space Exploration
Jun 14, 2019
0
45
