Search results for jaw size

Plants & Animals Feb 7, 2024

New research discovers adult Komodo teeth are surprisingly similar to those of theropod dinosaurs

Kilat, the largest living lizard at the Toronto Metro Zoo, like other members of his species (Varanus komodoensis), truly deserves to be called the Komodo dragon. His impressive size and the way he looks at you and tracks ...

Plants & Animals Jan 31, 2024

'Jaws' portrayed sharks as monsters 50 years ago, but it also inspired a generation of shark scientists

Human fear of sharks has deep roots. Written works and art from the ancient world contain references to sharks preying on sailors as early as the eighth century B.C.E.

Paleontology & Fossils Jan 31, 2024

A 365-million-year-old fish with an extreme underbite showcases vertebrate diversity

Vertebrates are defined as all animals that possess a vertebral column, or backbone. Most living vertebrates also possess jaws, teeth and paired fins or limbs.

Paleontology & Fossils Jan 14, 2024

The largest great ape to ever live went extinct because of climate change, study finds

An ancient species of great ape was likely driven to extinction hundreds of thousands of years ago when climate change put their favorite fruits out of reach during dry seasons, scientists reported Wednesday.

Other Jan 13, 2024

Saturday Citations: The Dark Energy Survey; the origins of colorblindness; the evolution of heads

The Dark Energy Survey took an entire decade to produce a value for the cosmological constant—and it's smaller than you might think! There were other stories as well, including one about primeval black holes, and because ...

Evolution Jan 12, 2024

Researchers sequence the first genome of myxini, the only vertebrate lineage that had no reference genome

An international scientific team including more than 40 authors from seven different countries, led by a researcher at the University of Malaga Juan Pascual Anaya, has managed to sequence the first genome of the myxini, also ...

Plants & Animals Jan 9, 2024

Resilience in the depths: Silky shark regenerates wounded dorsal fin

A skin resembling armor, rapid healing abilities, continuous tooth renewal and the capability for limb regeneration—this might sound like the description of a creature from a superhero film. Surprisingly, these are standard ...

Evolution Jan 2, 2024

New research shows 'juvenile' T. rex fossils are a distinct species of small tyrannosaur

A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus lancensis, was first ...

Ecology Dec 27, 2023

Researchers prove human influence on large herbivore diets during Anthropocene

The human population explosion, soaring from 1.6 billion to more than 6 billion during the 20th century, has had a profound impact on global environments and biodiversity. However, large mammalian herbivores, including species ...

Plants & Animals Dec 24, 2023

New research rewrites our understanding of whale evolution

New research from the Museums Victoria Research Institute has turned upside down our previous understanding of the evolution of the largest animals ever––baleen whales.

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