NASA was flummoxed last week when the Perseverance rover attempted to collect its first rock core sample only to find the sample tube empty. The missing core was nowhere to be found, so the team had to take a step back and assess the situation on Mars. Now, NASA believes …

Using data from the Jovian Infrared Auroral Mapper (JIRAM) instrument onboard NASA’s Juno spacecraft, researchers have produced a new infrared map of the Jupiter’s moon Ganymede, combining data from three flybys, including its latest approach on July 20, 2021. This annotated map of Ganymede depicts the areas of the icy …

Apple recently confirmed a report that claimed it was planning to go hunting for illegal materials on iPhones. This, from a company that has long promoted its privacy protections. Condemnation was swift from civil liberties groups, but many have withheld judgment because of Apple’s intended target: images of child sexual …

Fasting before and during exposure to invasive food-borne bacteria protects mice from developing a full-blown gastrointestinal infection, in part through the actions of the gut microbiome, according to new research led by University of British Columbia scientists. Graef et al. highlight how food intake controls the complex relationship between host, …

Archaeologists have uncovered 2,640- to 2,550-year-old clay moulds for casting spade coins as well as fragments of finished spade coins at Guanzhuang in Xingyang, Henan province, China. The technical characteristics of the moulds demonstrate that the site — which was part of the Eastern Zhou period (770-220 BCE) bronze foundry …

Paleontologists in Brazil have unveiled a new species of unenlagiine dromaeosaurid dinosaur from the Maastrichtian age of the Cretaceous period. An artist’s reconstruction of two individuals of Ypupiara lopai foraging in an alluvial river, the setting of the Marilia Formation during the Maastrichtian age of the Cretaceous period. Image credit: …

A team of paleontologists has digitally reconstructed the facial skeleton and brain endocast of Ichthyornis dispar, a toothed stem bird that lived in North America during the Late Cretaceous epoch and has traditionally been considered the nearest known well-understood relative of living birds. The ancestors of living birds had a …

It’s hard to find video cards for anything approaching a reasonable price these days, but maybe not everyone needs top-of-the-line gaming hardware. In a professional workstation, someone might just need the power of Nvidia’s ray tracing and AI technologies, and that’s what the new RTX A2000 is all about. It’s …

As more businesses around the U.S. are choosing to implement vaccine requirements for patrons or staff, business discovery and review site Yelp is introducing new tools that allow businesses to communicate those changes to their customers. On Thursday, Yelp will begin rolling out two profile attributes, “Proof of vaccination required” …

Buff-tailed bumblebees (Bombus terrestris) are able to use differences in floral humidity to distinguish between rewarding and non-rewarding flowers, according to new research led by biologists from the University of Bristol and the University of Exeter. By experimentally varying the levels of floral humidity in artificial flowers within a range …