The yellowfin tuna commonly enjoyed in sashimi, poke bowls and salad sandwiches may soon disappear from these dishes if current over-exploitation rates remain unchanged, especially in the Indian Ocean.
Plants & Animals
Jan 8, 2024
0
41
A new species of carnivorous dinosaur – one of the three largest ever discovered in North America – lived alongside and competed with small-bodied tyrannosaurs 98 million years ago. This newly discovered species, Siats ...
Archaeology
Nov 22, 2013
5
0
The diet of fossil extinct animals can hold clues to their lifestyle, behavior, evolution and ultimately extinction. However, studying an animal's diet after millions of years is difficult due to the poor preservation of ...
Ecology
May 31, 2022
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796
(PhysOrg.com) -- Molecules of hydrogen peroxide have been found for the first time in interstellar space. The discovery gives clues about the chemical link between two molecules critical for life: water and oxygen. On Earth, ...
Astronomy
Jul 6, 2011
6
2
(PhysOrg.com) -- A rock formation in Western Australia was the site of great excitement a couple of decades ago when it revealed evidence of the oldest fossils of bacteria ever found, but a new study casts doubt on those ...
It's not just their teeth and jaws that people find intriguing. It's also their funky shapes and unique skeletal makeup that capture attention. Unlike humans and most land animals, sharks have mineralized cartilage skeletons ...
Plants & Animals
Jan 3, 2019
0
118
One is the largest animal known to have ever existed. The other is a revered predator at the top of its food chain. But would a blue whale and a great white shark ever find themselves at odds with each other in the wild?
Plants & Animals
Sep 2, 2022
0
44
Two hundred and fifty-two million years ago, Earth experienced a mass extinction so devastating that it's become known as "the Great Dying." Massive volcanic eruptions triggered catastrophic climate change, killing off nine ...
Paleontology & Fossils
May 22, 2023
0
247
A team of researchers from Universidade Federal de Santa Maria and Universidade de São Paulo, both in Brazil, has found and identified the oldest carnivorous dinosaur fossil to date. In their paper published in the journal ...
New UMD study suggests that everywhere tyrannosaurs rose to dominance, their juveniles took over the ecological role of medium-sized carnivores
Paleontology & Fossils
Jun 17, 2021
0
400
