It is common knowledge that the modern turtle shell is largely used for protection. No other living vertebrate has so drastically altered its body to form such an impenetrable protective structure as the turtle. However, ...
Plants & Animals
Jul 15, 2016
8
2498
(PhysOrg.com) -- Cobras, and several other groups of unrelated snakes, form a menacing hood flare by expanding the sides of their necks as part of a defensive display. Now scientists in the US have identified the groups of ...
(Phys.org)—The view that animals have become more complex over time could be a thing of the past, according to the latest research.
Evolution
Sep 28, 2012
28
1
(Phys.org) —Researchers working at Spain's Batallones-3 dig site in the area of Cerro de los Batallones have unearthed five baculum (os penis) that once belonged to five now extinct examples of a species of bear classified ...
Why don't our arms grow from the middle of our bodies? The question isn't as trivial as it appears. Vertebrae, limbs, ribs, tailbone ... in only two days, all these elements take their place in the embryo, in the right spot ...
Cell & Microbiology
Oct 13, 2011
11
0
(AP) -- For more than five weeks, a woman's body lay undisturbed in a secluded Texas field. Then a frenzied flock of vultures descended on the corpse and reduced it to a skeleton within hours.
Other
Mar 8, 2012
1
2
Tyrannosaurus rex was far from a plodding Cretaceous era scavenger whose long tail only served to counterbalance the up-front weight of its freakishly big head.
Archaeology
Nov 15, 2010
6
1
New finds demonstrate: Neandertals were the first in Europe to make standardized and specialized bone tools—which are still in use today.
Archaeology
Aug 12, 2013
2
2
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
Before the evolution of legs from fins, the axial skeleton—including the bones of the head, neck, back and ribs—was already going through changes that would eventually help our ancestors support their bodies to walk on ...
Evolution
Apr 3, 2024
1
753
