A few evenings ago, while walking through the forest at dusk, my daughter stopped us in our tracks with a loud "shush.” As we stopped to listen, she pointed towards a mewing sound on the trail just ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

Researchers and volunteers in Texas documented birds of different species preening one another. Experts say the behavior may be more common than documented. By Clarissa Brincat On Feb. 4, 2023, in ...