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Liquid biopsy is increasingly recognized as a promising tool for cancer detection and treatment monitoring, yet its effectiveness is often limited by the extremely low levels of tumor-derived DNA ...

June 29 (UPI) --Shock waves from giant black holes merging at the heart of distant galaxies recently detected by scientists may be direct evidence of black holes distorting space-time, according to ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Mechanical antennas represent a disruptive approach to low-frequency communication by exploiting the mechanical oscillation of electric charges or magnetic dipoles to generate electromagnetic ...

Trying to use a JFET for that limiting proved disappointing. Even when the circuit was optimised to minimise its inherent non-linearity, it added about -92 dB / 0.0025% of third harmonic to the ...

We won’t even consider squashing a triangle wave to give something reasonably sinusoidal, as 0.3% THD is the best that this approach can give without complex, multi-breakpoint “squashing” networks.

Sounds that are lower pitched are less studied than other types. Some say it’s a health hazard. Others have doubts. By Lourdes Medrano/Undark Published Apr 17, 2024 8:00 AM EDT This article was ...

Solar-powered balloons launched into the Earth's stratosphere have recorded a series of mysterious rumblings, and scientists can't pinpoint their origins. The noises, detected by specialized ...