Size matters when it comes to the nucleus of a cell, and now scientists have discovered the signals that control how big the nucleus gets.
Cell & Microbiology
Oct 14, 2010
0
0
Spinosaurus is the longest, and among the largest predatory dinosaurs, and possesses many adaptations for a semiaquatic lifestyle. A tiny claw phalanx of the foot, discovered in Cretaceous-aged sandstones of the Sahara, shows ...
Archaeology
May 30, 2018
0
75
Dinosaur claws had many functions, but now a team from the University of Bristol and the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) in Beijing has shown some predatory dinosaurs used their claws for ...
Paleontology & Fossils
Feb 27, 2023
0
370
The World Canine Federation recognizes more than 300 different breeds of dogs, while the Cat Fanciers' Association only has 42 different kinds of moggie on its books. Why the difference?
Plants & Animals
Sep 30, 2022
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19
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
With its sharp claws, scaly skin and venomous bite, Guatemala's "Sleeping Child" lizard has earned itself few human friends.
Plants & Animals
Jul 12, 2022
0
75
When it comes to a quick draw, few creatures outgun adult snapping shrimp (Alpheus heterochaelis). They stun passing fish and foes with a simple click of a spring-loaded claw, which squirts a high-speed jet that rips through ...
Plants & Animals
Feb 28, 2023
0
174
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
(PhysOrg.com) -- Because we’re so smart compared to other species that live on this planet, people tend to ascribe certain abilities as innately human. One of these traits is the ability to lie or cheat. This is because ...
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
0
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