Howler monkey roars exaggerate body size but are truthful to other howlers

Howler monkeys are relatively small primates known for their incredibly loud, low-frequency roars that sound as if they come from a much larger creature. This is useful in the animal kingdom because ...

From ‘Hands Up, Don’t Shoot’ to ‘Drive, Baby, Drive’

The shooting death of Renee Macklin Good in Minneapolis, Minnesota, has quickly become a rallying point in the broader ...
IEEE

Instantaneous Frequency Estimation via Spectrogram Projection and P-Spline Approximation

Abstract: Frequency Modulated (FM) signals are usually characterized by two or more components having different waveforms and time-dependent frequencies. The estimation of the instantaneous frequency ...
Frontiers

CNN-based framework for Alzheimer's disease detection from EEG via dynamic mode decomposition

Alzheimer's disease (AD) and frontotemporal dementia (FTD) are major neurodegenerative disorders with characteristic EEG alterations. While most prior studies have focused on eyes-closed (EC) EEG, ...
EDN

A digital frequency detector

I designed the circuit in Figure 1 as a part of a data transmission system that has a carrier frequency of 400 kHz using on-off keying (OOK) modulation. I needed to detect the presence of the carrier ...
SciELO

Seismic signature of mudflow tremor resulted from Brumadinho (Brazil) tailings dam failure

Mudflow is often associated with seismic activities. The present study applied a seismic based detection of the surface waves generated by the mudflow of Brumadinho dam collapse using records of ...
IFLScience

"I Saved A PNG Image To A Bird": YouTuber Stores 176KB Drawing Of A Bird Inside A Bird's Song

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...