T. rex had more powerful jaws than its theropod dinosaur ancestors
16 December 2021
Theropod dinosaurs, including carnivores like T. rex and herbivores like Therizinosaurus, evolved deeper and stronger jaws over the course of the dinosaur age
-
Subject
-
Section
-
Type
-
Topics
-
Author
-
Issue
-
Premium
World's largest mass extinction may have begun with volcanic winter
17 November 2021
The end-Permian mass extinction 252 million years ago might have begun when eruptions triggered a volcanic winter
Dinosaurs may have waggled their tails to help walk more efficiently
22 September 2021
A computer reconstruction of a small two-legged dinosaur suggests it ran more efficiently if it waggled its tail from side to side with every step
Male bigfin reef squid may be the best fathers of all cephalopods
3 September 2021
Squids aren’t known for good parenting, mostly because they usually die after mating, but male bigfin reef squid check nests for potential predators and warn other males to stay away
Howler monkeys navigate using adaptable mental maps, just like humans
12 August 2021
Black howler monkeys move through their environment using mental maps that the primates modify and adapt as the landscape changes – a skill previously seen only in humans
Fish are becoming addicted to methamphetamines seeping into rivers
6 July 2021
Methamphetamines and other drugs can enter freshwater rivers through wastewater, and lab tests show trout can become addicted, changing their behaviour by reducing their activity levels
Male birds’ feathers become duller when wildfires burn their habitats
25 June 2021
As wildfires become more intense, birds living in areas that burn may lose their vibrant colours because they skip mating displays when their nesting sites are destroyed
Dinosaurs lived in the Arctic around 70 million years ago
24 June 2021
Newly discovered fossils suggest that dinosaurs nested in modern-day Alaska, surviving the frigid and dark winters of the ancient Arctic
Owl-like dinosaurs had remarkably good hearing and night vision
6 May 2021
A small, bird-like dinosaur had better night vision and hearing than other dinosaurs and most modern birds, suggesting it was a good nocturnal hunter
Bats don’t have to learn the speed of sound – they’re born knowing it
3 May 2021
Bats have an internal sense of the speed of sound that they use to calculate the distance to perches or prey with echolocation, and it seems to be something they don’t have to learn
