Science News Roundup: Scientists defend T. rex as only species of mighty Tyrannosaurus; Shakin' bacon? Belgian researchers study pigs' response to music

rex still reigns as the king of dinosaurs, according to scientists who on Monday argued against a contentious hypothesis advanced this year that the mighty meat-eater Tyrannosaurus should be recognized as three species and not just one.

Following is a summary of current science news briefs.

Shakin' bacon? Belgian researchers study pigs' response to music

Scientists in Belgium are investigating a farmer's claim that different styles of music affect the behaviour of his pigs.

Piet Paesmans first noticed the phenomenon when his son started singing a tune in the barn during a sluggish insemination session his sows seemed excited and started wagging their tails.

Scientists defend T. rex as only species of mighty Tyrannosaurus

T. rex still reigns as the king of dinosaurs, according to scientists who on Monday argued against a contentious hypothesis advanced this year that the mighty meat-eater Tyrannosaurus should be recognized as three species and not just one. Seven paleontologists in research https://link.springer.com/article/10.1007/s11692-022-09573-1 published on Monday said a study from March offered insufficient evidence to show that there were three Tyrannosaurus species based on fossils of the world's most-famous dinosaur, citing improper statistical methods, limited comparative samples and faulty measurements.

(With inputs from agencies.)