(PhysOrg.com) -- An unexpected discovery made by Macquarie University PhD student Sargent Bray about the origin and nature of chemical compounds contained in ancient amber has changed our understanding of when modern flowering ...
Plants & Animals
Oct 2, 2009
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(PhysOrg.com) -- Archaeologists have used stone tools to answer many questions about human ancestors in both the distant and near past and now they are analyzing the origin of obsidian flakes to better understand how people ...
Archaeology
Jun 22, 2009
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1
Famous for its cuteness and comic gait on land, the penguin also has an enigmatic life at sea, sometimes spending months foraging in the ocean before returning to its breeding grounds.
Plants & Animals
May 13, 2009
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0
As of October 2023, astronomers have discovered 5,506 exoplanets orbiting other stars. That number is growing daily, and astronomers are hoping, among other things, to find Earth-like worlds. But will we know one when we ...
Planetary Sciences
Oct 6, 2023
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30
The more astronomers look at the early universe, the more discoveries they make. Some of those finds change what they thought they knew about the infancy of the cosmos. For example, the James Webb Space Telescope (JWST) recently ...
Astronomy
Jul 21, 2023
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If an underground explosion occurs anywhere in the world, there is a good chance that a seismologist can pinpoint it. However, they won't necessarily be able to tell you what kind of explosion had occurred—whether it is ...
Earth Sciences
Jan 3, 2023
0
40
Gazprom's decision to turn off the taps of Nord Stream 1 this month has rocked Europe's industrial and manufacturing sector, with fertilizer producers first in line.
Environment
Sep 14, 2022
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19
Red giant stars are, well, red and giant. But astronomers have always had difficulty estimating their temperatures due to their complex and turbulent atmospheres. Without an accurate gauge of their temperatures, it's difficult ...
Astronomy
Mar 15, 2021
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6
The chemical signature left behind by hurricanes, fires, cold snaps and droughts can linger in the slow-moving water of the Florida Everglades for up to a decade.
Ecology
Feb 3, 2020
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31
Search for signs of ancient microbial life in the geological record is challenging due to degradation of the primary organic material. Therefore, proof of biogenic origin often relies on chemical signatures that microorganisms ...
Earth Sciences
Jun 27, 2018
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