Database, is giving scientists, conservationists, and the public an unprecedented look at the true scale of ocean ...

Assuming that O. megalodon had a body plan consistent with the vast majority of sharks, the team determined that its head length and tail length possibly occupied about 16.6% and 32.6% ...

So there has been considerable debate among paleobiologists about megalodon's size, body shape, and swimming speed, among other characteristics. While some researchers have compared megalodon to a ...

Body size evolution of Cambrian-Ordovician trilobites in Laurentia (B), East Gondwana (C), West Gondwana (D), Baltica and Avalonia (E). Three episodes of change in body size during Cambrian Age 4 ...

Before starting a weight loss diet, it's important to determine your frame size using this calculator. Body frame size can be assessed using either wrist circumference or elbow breadth (1 ).

The study combines data from two previously published papers that measured body-size and wing-length changes in a total of more than 86,000 bird specimens over four decades in North and South America.

Modeling isn’t just a matter of strutting your stuff on the catwalk—it also means that you need mathematical precision when it comes to taking your body measurements. Having precise ...

Animal brains differ not only in overall size but also in their size relative to the animal's body mass. A 2009 study in the journal Brain, Behavior and Evolution found that an especially tiny ...