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 ...

The Araripe Manakin (Antilophia bokermanni) is one of the rarest birds in the world, found only in a tiny forested valley in Brazil at the base of the Araripe Plateau. This critically endangered ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. You’re at the park wearing a heavy winter coat, a beanie, gloves ...

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 ...