Two knights stand face to face. One has a plain average-sized sword. The other has a massive fear-inducing sword stained with blood. After one quick look at it, the first knight quickly puts his average sword away, backs ...
Plants & Animals
Feb 8, 2022
0
100
A team of researchers from Universitat Jaume, Universitat de València and Grup Guix, Vila-real, has identified a new species of sharp-clawed dinosaur excavated at a site in Catalonia. They have written a paper describing ...
In Lake Xochimilco of central Mexico dwells a rare salamander, the axolotl (Ambystoma mexicanum). In the wild, the axolotls do not metamorphose: adults very much resemble their larval counterparts and keep the external gills ...
Plants & Animals
May 19, 2021
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126
Humans and other primates are outliers among mammals for having nails instead of claws. But how, when and why we transitioned from claws to nails has been an evolutionary head-scratcher.
Paleontology & Fossils
Jun 20, 2018
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164
In a new study, researchers from Sweden and Britain have investigated how the endocrine-disrupting substance linuron affects reproduction in the West African clawed frog, Xenopus tropicalis. The scientists found that linuron, ...
Ecology
Jun 14, 2018
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22
If you've ever seen seals frolicking in the water, you know they are agile swimmers, with perfectly adapted paddle-like limbs. But if you think those flippers are just for swimming, then think again.
Plants & Animals
Apr 18, 2018
0
71
Why are some hybrids viable and others not? It is known that this depends on the father species and the mother species. New research in two related frog species shows the influence of mother and father species: One hybrid ...
Plants & Animals
Jan 11, 2018
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27
Just how do snapping shrimp snap? This was the question plaguing scientists who set out to uncover the mysterious mechanisms producing big biology in tiny crustaceans.
Plants & Animals
Jan 3, 2018
0
44
Many staple foods such as grains and fruits derive from flowering plants. Flowers are formed from groups of dividing stem cells at the ends of shoots, and the division of these cells stops at a particular stage of development ...
Biotechnology
Oct 25, 2017
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3
In the evolution of tetrapods, the position of the hindlimb has diversified along with the vertebral formula, which is the number of small bones forming the vertebra. Tetrapods, as the name implies, are species that have ...
Archaeology
Aug 18, 2017
0
115
