The first commercial resupply mission to the International Space Station is set to lift off from the Kennedy Space Center Sunday evening. From the space station crew's standpoint, some of the most precious cargo could well be ice cream.
The plants these dinosaurs fed on were tough and covered with hard, tooth-gouging particles. Hadrosaurids chewed their meals with teeth that possessed flattened grinding surfaces much like those of horses and bison.
University of Chicago paleontologist Paul Sereno, who published the findings on Wednesday in the online scientific journal ZooKeys, said in an interview with Reuters he actually made the discovery of the small-bodied herbivore in 1983.
A two-year old report suggested that one type of bacteria could survive by assimilating arsenic – a finding that held implications for the search for life in the cosmos. But new research contradicts those conclusions.
Of 2,000 retractions of published scientific papers since 1977, 866 were because of fraud, a new study finds. Another 201 were plagiarized. But it's hard to know if more scientists are cheating, or if detection is simply better.