According to one longstanding theory, our Solar System's formation was triggered by a shock wave from an exploding supernova. The shock wave injected material from the exploding star into a neighboring cloud of dust and gas, ...
Space Exploration
Aug 3, 2017
2
292
The Japanese government intends to discharge all 1.34 million tons of wastewater from the Fukushima Daiichi Nuclear Power Station, an operation that began on 24 August 2023. Presumably, it also plans to discharge the wastewater ...
Environment
Aug 28, 2023
0
151
On Campbell Island in the Southern Ocean, some 400 miles south of New Zealand, is a single Sitka spruce. More than 170 miles from any other tree, it is often credited as the "world's loneliest tree". Planted in the early ...
Environment
Feb 20, 2018
1
92
Five years after the Fukushima nuclear accident, there is still no U.S. federal agency responsible for studies of radioactive contaminants in the ocean. But scientific data about the levels of radioactivity in the ocean ...
Environment
Mar 8, 2016
2
131
There has been widespread discussion of Russia's threat to use tactical nuclear weapons in its war on Ukraine.
Other
Apr 20, 2022
1
47
Peasant farmer Wang Tao used to grow corn, potatoes and wheat within a stone's throw of a dumping ground for rare earths waste until toxic chemicals leaked into the water supply and poisoned his land.
Environment
May 1, 2011
6
0
Long thought to be the smallest building blocks of all matter, we now know atoms are themselves composed of electrons spinning around a nucleus made of protons and neutrons.
General Physics
Nov 2, 2016
0
817
China's Yanliao Biota, an assembly of fossils preserved in northeastern China dating from the Middle to Late Jurassic (174 to 145 million years ago), offers an important window into the evolution of vertebrates. With exceptional ...
(PhysOrg.com) -- Quantum entanglement, a type of correlation peculiar to quantum objects, has been found to disregard completely the "half-life" rule that is obeyed by all natural processes, such a radioactive decay.
General Physics
Feb 3, 2009
18
0
An international team of scientists has found evidence of a series of massive supernova explosions near our solar system, which showered the Earth with radioactive debris.
Astronomy
Apr 6, 2016
15
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