When we take a stroll on the beach, we walk on the sand without any trouble. The sand appears solid and is difficult to compress. When we put the same sand grains in an hourglass, they behave very differently: the sand flows ...
General Physics
Apr 3, 2024
0
2
Since the work of Charles Darwin, it is relatively clear from an evolutionary perspective where we come from: aquatic ancestors gave rise to terrestrial vertebrates, from among which humans developed.
Evolution
Oct 18, 2023
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524
Although the little skate is a fish, it is known for using its fins like legs to walk, similar to terrestrial vertebrates. The little skate is thought to have diverged from a common ancestor with terrestrial tetrapods about ...
Evolution
Dec 14, 2022
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54
The rise of tetrapods (four-limbed vertebrates) is one of the iconic evolutionary transitions preserved in the fossil record. These animals, which lived about 385 to 320 million years ago during the Devonian and Carboniferous ...
Paleontology & Fossils
Nov 28, 2022
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148
The skulls of tetrapods had fewer bones than extinct and living fish, limiting their evolution for millions of years, according to a latest study.
Evolution
Sep 9, 2022
5
1017
Researchers have run through near-perfect fossils of the world's first gliding reptile with a fine-toothed comb, and have untangled previously unknown facets to discover it was a change in tree canopy that likely facilitated ...
Evolution
Sep 8, 2022
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285
These days, dragons are keeping "Game of Thrones" fans on their toes. But they are also providing important insights into vertebrate brain evolution, as revealed by the work of Max Planck scientists on the brain of the Australian ...
Evolution
Sep 2, 2022
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545
The human middle ear—which houses three tiny, vibrating bones—is key to transporting sound vibrations into the inner ear, where they become nerve impulses that allow us to hear.
Evolution
Jun 17, 2022
5
4063
The evolution of limbs with functional digits from fish fins happened approximately 400 million years ago in the Devonian. This morphological transition allowed vertebrates to leave the water to conquer land and gave rise ...
Plants & Animals
Aug 19, 2020
2
719
When early tetrapods transitioned from water to land the way they breathed air underwent an evolutionary revolution. Fish use muscles in their head to pump water over their gills. The first land animals utilized a similar ...
Evolution
May 19, 2020
0
1420
