A nebula takes on the appearance of a rampaging lion in a new deep space vista captured by astrophotographer Ronald Brecher ...

Joel Sartore’s camera sits between him and a roaring tiger with razor-sharp teeth and bold black and orange stripes. Positioned before a stark black backdrop, the powerful animal looks on with ...

Biomarker discovery opens the way for development of novel transformational technology in Autism Spectrum Disorder. FRAMINGHAM, MA / ACCESS Newswire / November 4, 2025 / Ignite Biomedical, Inc.

Abstract: In this letter, we propose an improved weighted covariance based detector (IWCD) for spatially correlated time-varying Rayleigh fading channel. The proposed method uses adaptive weights that ...