Agoutis are small-sized wild animals whose body weight can reach up to 4kg, and are found throughout Brazil. They are considered important seed dispersers, especially for big trees and there are ...

Spectral purity is a signal's characteristic stability. For testing purposes, a signal must remain stable in the short and long term. Selecting a signal generator with high spectral purity ensures ...

Rare footage of spectral bats, known also as great false vampire bats, revealed animals with a cuddly, social side. By Kate Golembiewski Spectral bats, also known as great false vampire bats, live up ...

Abstract: Doppler ultrasound modalities, which include spectral Doppler and color flow imaging, are frequently used tools for flow diagnostics because of their real-time point-of-care applicability ...

Introduction: Cold-induced vasodilation (CIVD) is a counterintuitive focal increase in glabrous skin blood flow during cold exposure with unclear local and neural mechanisms. Methods: We tested 12 (8 ...

A systematic review and meta-analysis found that ultrasound had a high diagnostic accuracy for testicular torsion, with colour Doppler sonography achieved a sensitivity of 95.3% and a specificity of ...

Imagine working with special cameras that capture light your eyes can’t even see—ultraviolet rays that cause sunburn or infrared heat signatures that reveal hidden writing. Or perhaps using ...