Many creatures can use electric fields to communicate, sense predators or stun their prey with powerful electric shocks, but how this ability came about was a mystery.
Archaeology
Feb 13, 2018
0
15
Our ancestors' transition out of the water and onto the land was a pivotal moment in evolution. No longer buoyed by water, early tetrapods (animals with four limbs) had to overcome gravity in order to move their bodies. Exactly ...
Archaeology
Feb 9, 2018
1
26
Paleontologists from the University of Alberta have discovered a never-before-seen species of fish in Colombia, with help from a young and curious tourist.
Archaeology
Feb 1, 2018
0
544
Polypterids are weird and puzzling African fish that have perplexed biologists since they were discovered during Napoleon's expedition to Egypt in the late 1700s.
Archaeology
Aug 30, 2017
0
40
New research based on x-ray imaging provides the strongest evidence to date that sharks arose from a group of bony fishes called acanthodians. Analyzing an extraordinarily well-preserved fossil of an ancient sharklike fish, ...
Archaeology
Mar 14, 2017
0
37
About 375 million years ago, certain fishes had developed powerfully strong paired fins that were capable of transporting them out of the water and onto land.
Archaeology
Mar 8, 2017
0
70
(Phys.org)—An international team of researchers has found a trove of marine fossils at a North American site that offers evidence of life bouncing back faster than thought after the most devastating mass extinction in Earth's ...
Remember dropping your milk teeth? After a lot of wiggling the tooth finally dropped out. But in your hand was only the enamel-covered crown: the entire root of the tooth had somehow disappeared. In a paper published in Nature, ...
Archaeology
Oct 17, 2016
0
358
Fish have a bit of a boring reputation among many vertebrate paleontologists–too many bones, too hard to identify, not as charismatic as dinosaurs, etc., etc. But, this is entirely undeserved (and I say that as a dinosaur ...
Archaeology
Sep 26, 2016
0
10
As the parent of a three-year-old, I am quite familiar with the animated film Finding Nemo. These adventures of the young clownfish Nemo are of course heavily fictionalized, but the movie does present a biological reality: ...
Ecology
Sep 2, 2016
0
0
