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5,000 years of history of domestic cats in Central Europe

5,000 years of history of domestic cats in Central Europe

Perspektywiczna cave inside view during excavation. Credit: Magdalena Krajcarz A loner and a hunter with highly developed territorial instincts, a cruel carnivore, a disobedient individual: the cat. These features make the species averse to domestication. Even so, we did it. Nowadays, about 500 million cats live in households all around the world; it is also…

What Can We Learn From Ants About Epidemics?

What Can We Learn From Ants About Epidemics?

rarely, if ever, found in the wild. Thanks in part to this, ants are one of the most successful species on Earth. According to some estimates, they make up almost a quarter of all terrestrial animal biomass. And because of the social measures they’ve evolved to use, ant behavior often seems distinctly intelligent — but…

New Class of Radio-Astronomical Objects Discovered: Odd Radio Circles

New Class of Radio-Astronomical Objects Discovered: Odd Radio Circles

An international team of astronomers has discovered an unexpected new class of radio-astronomical objects, consisting of a circular disk, which in some cases is limb-brightened, and sometimes contains a galaxy at its center. Named ‘Odd Radio Circles,’ these objects do not seem to correspond to any known type of astronomical object. ASKAP radio continuum image…

Astronomers want to get in on NASA's push to the moon

Astronomers want to get in on NASA’s push to the moon

Home News Science & Astronomy The Apollo 16 mission to the moon in 1972 included the first telescopic observations taken from the lunar surface. (Image: © NASA) NASA wants to go to the moon, and astrophysicists want their instruments to ride along, too.The details are still in flux, as scientists are figuring out what makes…

SpaceX delays launch of mini-satellites

SpaceX delays launch of mini-satellites

SpaceX on Saturday delayed the launch of a rocket due to take 57 mini-satellites into space as part of plan to build an orbiting, global broadband internet system. The company tweeted that it was postponing the 10th Starlink mission “to allow more time for checkouts.” It said it was working to identify a new launch…

How Venus flytraps snap

How Venus flytraps snap

The force sensor of the microrobotic system deflects a sensory hair of a fllytrap that is kept open by the sensors of the load cell. Credit: Hannes Vogler, UZH Venus flytraps catch spiders and insects by snapping their trap leaves. This mechanism is activated when unsuspecting prey touch highly sensitive trigger hairs twice within 30…

Amazon deforestation increases 25 percent in Brazil

Amazon deforestation increases 25 percent in Brazil

Smoke rises from forest fires in Altamira, in Brazil’s Amazon region, in August 2019 Deforestation of the Brazilian Amazon increased by a record 25 percent year-on-year in the first half of 2020, official data released Friday showed, increasing pressure on President Jair Bolsonaro to abandon his plans to develop the region. Some 3,069 square kilometers…

Pittsburgh's air pollution levels decreased during the stay-at-home order—but the overall impact remains small

Pittsburgh’s air pollution levels decreased during the stay-at-home order—but the overall impact remains small

Researchers used real-time, multi-pollutant sensors (RAMP) to examine Pittsburgh, PA’s air pollution levels as coronavirus shut down the city. Credit: College of Engineering, Carnegie Mellon University A team of Carnegie Mellon University researchers found that Pittsburgh’s air pollution levels decreased during the stay-at-home order—but the overall impact remains small. As coronavirus spread, so did reports…