In Brazil, many smaller dams disrupt fish more than large hydropower projects

A small hydropower dam in Brazil. Credit: Victor Baptista The development of small hydropower dams is widespread throughout Brazil and elsewhere in the world, vastly overshadowing large hydropower projects. The proliferation of these smaller dams is a response to growing energy and security needs. Their expansion, however, threatens many of the remaining free-flowing rivers and […]

Do I know you? Researchers evaluate how masks disrupt facial perception

IMAGE: The identification of people wearing masks has often presented a unique challenge during the pandemic. A new study by researchers from Ben-Gurion University of the Negev (BGU) in Israel and… view more  Credit: Chicago Face Database (Ma et al., 2015) BEER-SHEVA, Israel…December 21, 2020 – The identification of people wearing masks has often presented a […]

Rapid-forming giants could disrupt spiral protoplanetary discs

Protoplanetary disc with an orbiting planet. Credit: University of Warwick Giant planets that developed early in a star system’s life could solve a mystery of why spiral structures are not observed in young protoplanetary discs, according to a new study by University of Warwick astronomers. The research, published today in the Astrophysical Journal Letters andpart […]