Abstract: This article describes a 10-GHz chirp generator for frequency-modulated continuous-wave (FMCW) radars, that is based on a digital PLL (DPLL) with a two-point injection of the modulation ...

Correction: A previous version of this article described the kākāpō as almost blind. It has nocturnal vision. Originally ...

On February 18, 2024, in Beijing, a video showed a sleepy sun conure perched at home, swaying with its eyes closing while continuing to chirp. The amusing contrast between its drowsiness and nonstop ...

During conversation, people sometimes synchronize their voices in ways that often go completely unnoticed. Talking speeds ...

Abstract: Exploration for new dimensions to convey information is a non-trivial task for resource-limited communications. Interleaved Chirp Spreading LoRa (ICS-LoRa) constitutes a new ...

For this installment of "From the Archives," we answer a reader question about the monk parakeets and grackles in Austin.

Bailey isn’t only a cool Parrot; she’s an even cooler Double Yellow-Headed Amazon Parrot (DYHA)whose “showtime” mentality ...

Rowdy has everyone laughing with his love of dance, but his unique look can stir up a lot of questions, too. Salmon-crested, ...

From rescued macaws to rare lorikeets, Shuka Vana blends conservation, science and visitor education, offering bird lovers an ...

Around 200 parrots have died along the Narmada riverbank in Madhya Pradesh’s Khargone district. Officials have ruled out bird flu, confirming food poisoning linked to improper feeding and possible ...