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In vertebrate anatomy, ribs (Latin: costae) are the long curved bones which form the rib cage, part of the axial skeleton. In most tetrapods, ribs surround...

Santanachelys gaffneyi is an extinct species of sea turtle. It is the only species in the genus Santanachelys, which itself is a member of the extinct...

Sinemys is an extinct genus of turtle from the Late Jurassic to Early Cretaceous of China and Japan. Three species have been named: S. lens, the type species...

A flipper is a broad, flattened limb adapted for aquatic locomotion. It refers to the fully webbed, swimming appendages of aquatic vertebrates that are...

A quirt is a short whip associated with the Southwestern United States. It often has a braided leather lash. The falls on a quirt is made of leather, usually...

Phlyctaenius is an extinct genus of placoderm fish, which lived during the Devonian period of New Brunswick, Canada. It was named by Traquair (1890) as...

A rabbit vibrator (also known as a Jack Rabbit vibrator or Jessica Rabbit vibrator) is a vibrating sex toy, usually made in the shape of a phallic shaft...

Feeder fish is the common name for certain types of small, inexpensive fish commonly fed as live food to other captive animals such as predatory fishes...

Human behavioral ecology (HBE) or human evolutionary ecology applies the principles of evolutionary theory and optimization to the study of human behavioral...

Cytolysis, or osmotic lysis, occurs when a cell bursts due to an osmotic imbalance that has caused excess water to diffuse into the cell. Water can enter...

Mammals normally have a pair of eyes. Although mammalian vision is not so excellent as bird vision, it is at least dichromatic for most of mammalian species...

Peipehsuchus is an extinct genus of metriorhynchoid crocodyliform from the Early Jurassic (Toarcian). The type species, P. teleorhinus, is known from China...

The Shark Alliance was a global not-for-profit coalition founded in 2006 by Pew Charitable Trusts of non-governmental organizations dedicated to restoring...

William Sherard (27 February 1659 – 11 August 1728) was an English botanist. Next to John Ray, he was considered to be one of the outstanding English botanists...

Skuld (スクルド, Sukurudo) is a fictional character in the anime/manga Oh My Goddess! and is the younger sister of Belldandy. Her character design shows influences...

Ischyromys is an extinct genus of rodent from North America. The 60 cm (2 ft) long creature is one of the oldest rodents known. It resembled a mouse and...

Randers Tropical Zoo (Danish: Randers Regnskov) is an indoor zoo in Randers, Denmark. It is located in three big domes, with the biomes of Africa, Asia...

Anti-sigma factors are small proteins that bind to sigma factors and inhibit transcriptional activity in regulating prokaryote gene expression. Anti-sigma...

Tree stands or deer stands are open or enclosed platforms used by hunters. The platforms are secured to trees in order to elevate the hunter and give them...

Gryphea dilatata, common name "devil's toenail" is a species of Jurassic oyster, an extinct marine bivalve mollusc in the family Gryphaeidae. This fossil...