Ancient fish's brain adapted for life on the land
Sophisticated CT scanning of the cranium of a Queensland fish fossil has given new insights to explain how fish first left the water to invade land about 370 million years ago.
Sophisticated CT scanning of the cranium of a Queensland fish fossil has given new insights to explain how fish first left the water to invade land about 370 million years ago.
Evolution
Dec 13, 2021
0
345
Rove beetles are among the chemists of the insect world, concocting noxious compounds within their bodies that are weaponized to ward off predators, enabling the beetles to survive in leaf litter and soil in ecosystems across ...
Plants & Animals
Dec 9, 2021
0
124
An international team of scientists has found an innovative, animal-friendly manner for studying venom genes. The technique makes it possible to determine the unique venom production of a wide range of venomous animals that ...
Plants & Animals
Nov 18, 2021
0
130
Maternal physiology of dairy cows shifts at the onset of lactation to adapt to the immense nutrient demands by the mammary gland, resulting in altered tissue metabolism. Research over the last decade has focused on understanding ...
Plants & Animals
Nov 16, 2021
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5
Using the lamprey, researchers from Japan analyzed the photosensory mechanism of the pineal organ, also called the pineal gland, in non-mammalian vertebrates and discovered a novel mechanism of pineal color discrimination ...
Evolution
Sep 16, 2021
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20
Despite long-standing interest, the cellular mechanisms driving the initiation of mammary gland development have remained elusive for decades, mostly due to technical limitations in studying dynamic cell behaviors in live ...
Cell & Microbiology
Jun 21, 2021
0
1
Early in human development, during the first trimester of gestation, a fetus may have XX or XY chromosomes that indicate its sex. Yet at this stage a mass of cells known as the bipotential gonad that ultimately develops into ...
Evolution
May 5, 2021
0
31
Humans have a uniquely high density of sweat glands embedded in their skin—10 times the density of chimpanzees and macaques. Now, researchers at Penn Medicine have discovered how this distinctive, hyper-cooling trait evolved ...
Evolution
Apr 14, 2021
5
117
A new study shows that the similarly smooth, nearly hairless skin of whales and hippopotamuses evolved independently. The work suggests that their last common ancestor was likely a land-dwelling mammal, uprooting current ...
Plants & Animals
Apr 1, 2021
0
294
We are not venomous, and neither are mice—but within our genomes lurks that potential, suggest scientists from the Okinawa Institute of Science and Technology Graduate University (OIST) and the Australian National University. ...
Plants & Animals
Mar 29, 2021
0
3225