A study presents the theory that egg-sperm fusion, a crucial feature of sexual reproduction in plants and animals, may have originated from an ancient form of genetic exchange that involved the fusion of bacteria-like microorganisms ...
Evolution
Jul 12, 2022
1
1202
Rapid hydroelectric dam expansion in the Amazon poses a serious threat to Earth's largest and most biodiverse river basin. There are 158 dams in the Amazon River basin, with another 351 proposed; these projects are typically ...
Environment
Feb 17, 2022
0
21
The landing of NASA's Perseverance rover was another leap forward not only for space exploration but also for the technology that's powering the craft on its years-long mission on Mars—a thermoelectric generator that turns ...
Condensed Matter
Jul 23, 2021
2
2478
New research has demonstrated that a magnetic uranium compound can have strong thermoelectric properties, generating four times the transverse voltage from heat than the previous record in a cobalt-manganese-gallium compound. ...
Condensed Matter
Mar 26, 2021
9
3031
An international team of scientists has developed a system that can generate random numbers over a hundred times faster than current technologies, paving the way towards faster, cheaper, and more secure data encryption in ...
Quantum Physics
Feb 25, 2021
1
242
Almost 200 years after French physicist Jean Peltier discovered that electric current flowing through the junction of two different metals could be used to produce a heating or cooling effect, scientists continue to search ...
Materials Science
Dec 7, 2020
1
233
Decarbonizing U.S. electricity production will require both construction of renewable energy sources and retirement of power plants now operated by fossil fuels. A generator-level model described in the December 4 issue of ...
Earth Sciences
Dec 3, 2020
36
703
A team at the University of Glasgow has developed a novel way to generate random numbers by using the randomness inherent in crystal growth. In their paper published in the journal Matter, the group describes using chemistry ...
Northwestern University researchers have added a new dimension to the importance of diversity.
General Physics
Jan 20, 2020
4
1799
Aa team of scientists, led by Harvard researchers, has used a new method of DNA "re-barcoding" to track rapid evolution in yeast. The new approach, published in Nature, advances the field of organismic and evolutionary biology ...
Evolution
Nov 13, 2019
1
306
