(Phys.org) —An exploding star observed in 1604 by the German astronomer Johannes Kepler held a greater fraction of heavy elements than the sun, according to an analysis of X-ray observations from the Japan-led Suzaku satellite. ...
Astronomy
Apr 8, 2013
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0
(PhysOrg.com) -- British scientists are aiming to develop a device that can detect the smell of fear, and that could one day identify terrorists, drug smugglers, and other criminals.
The same geometric quirk that lets visitors murmur messages around the circular dome of the whispering gallery at St. Paul's Cathedral in London or across St. Louis Union Station's whispering arch also enables the construction ...
Optics & Photonics
Apr 26, 2024
0
107
Scientists use tiny minerals called zircons as geologic timekeepers. Often no bigger than a grain of sand, these crystals record chemical signatures of the geological environment where they formed. In a new study led by scientists ...
Earth Sciences
Apr 3, 2024
1
109
Archaeological analysis of a near unique animal cemetery discovered in London nearly 30 years ago has revealed the international scale of horse trading by the elites of late medieval and Tudor England.
Archaeology
Mar 22, 2024
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813
How close can a rocky planet be to a star, and still sustain water and life?
Astrobiology
Jun 21, 2023
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82
Specialty coffees are gaining traction in coffeehouses around the world—and now a fermented version could bring a fruity taste to your morning cup of joe. This new kind of beverage has a raspberry-like taste and aroma, ...
Biochemistry
Mar 29, 2023
0
213
During development, scores of molecular signals prod cells to take on specialized identities and functions. In response to some of these signals, the cellular machinery awakens specific genes called 'immediate early genes' ...
Molecular & Computational biology
Feb 19, 2021
0
89
A team of astronomers used the Keck I telescope to measure the distance to an ancient galaxy. They deduced the target galaxy GN-z11 is not only the oldest galaxy but also the most distant. It's so distant it defines the very ...
Astronomy
Dec 15, 2020
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271
Chemical signatures recently found in rock formations are providing critical insight for understanding the formation of Earth, according to scientists.
Earth Sciences
Sep 26, 2019
0
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