Millions of years ago, giant sharks three times larger than today's great whites stalked the world's ocean. They're long gone now, but occasionally, someone walking on a beach spots an odd triangular shape in the sand. On ...
Paleontology & Fossils
Jul 21, 2022
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622
Juvenile bull sharks generally remain inside rivers, sheltered by mangroves while they are young and more vulnerable to predators, before moving out into coastal habitats. Until now, scientists assumed they relied on these ...
Plants & Animals
Jun 10, 2022
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35
The diet of fossil extinct animals can hold clues to their lifestyle, behavior, evolution and ultimately extinction. However, studying an animal's diet after millions of years is difficult due to the poor preservation of ...
Ecology
May 31, 2022
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796
New research from Charles Darwin University (CDU) has revealed that the estuarine crocodiles (Crocodylus porosus) in the Northern Territory have shifted from an estuarine based diet to one that is largely derived from terrestrial ...
Plants & Animals
Apr 27, 2022
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74
Oxygen levels in the atmosphere during the mid-Proterozoic—about 1.4 billion years ago—were higher than previously thought, according to an international team of researchers who looked at oxygen combined with sulfur to ...
Earth Sciences
Mar 25, 2022
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27
Baleen plates—the signature bristle-like apparatus toothless whales use to feed—reveal how these large aquatic mammals adapt to environmental changes over time.
Plants & Animals
Mar 21, 2022
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39
Minamata, a British film released in 2021, is based on the true story of an American photographer documenting how the citizens of Minamata, Japan, became ill due to the industrial discharge dumped into the river by a Japanese ...
Environment
Mar 18, 2022
1
29
Using a novel analytical technique developed at KI, the team of scientists led by Roman Zubarev found in seal bones twice as much deuterium as in sea water; extra deuterium cannot come from seals' diet.
Plants & Animals
Feb 7, 2022
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8
A new study from North Carolina State University shows that methane, a potent greenhouse gas, is largely generated in the soils below standing dead trees in so-called ghost forests, or coastal forests that are being killed ...
Ecology
Feb 2, 2022
0
113
The mechanism behind one of the first stages of coal creation may not be what we thought it was, according to a team of researchers who found that microbes were responsible for coal formation and production of methane in ...
Earth Sciences
Nov 11, 2021
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