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The olfactory ability in sharks is well known, although the idea that sharks are able to detect and follow a drop of blood diluted in the ocean over many miles is an exaggeration.
Crabs have ten legs, including claws, while the last pair of an anomuran’s legs is hidden inside the shell, so that only eight legs are visible.
The dwarf seahorse swims at about 0.01 mph, making it the slowest fish in the world.
Ptolemy was an astronomer and mathematician. He believed that the Earth was the center of the Universe.
Polymer Chemistry- focuses on the chemical synthesis, structure, chemical and physical properties of polymers and macromolecules.
Metallurgy – branch concerned with the properties of metals and their production and purification.
Organic Chemistry – study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms.
A rocket engine is a type of jet engine that uses only stored rocket propellant mass for forming its high-speed propulsive jet. Rocket engines are reaction engines, obtaining thrust in accordance with Newton’s third law.
Cumulus clouds are puffy clouds that sometimes look like pieces of floating cotton. The base of each cloud is often flat and may be only 1000 meters (3300 feet) above the ground. The top of the cloud has rounded towers. When the top of the cumulus resembles the head of a cauliflower, it is called cumulus congestus or towering cumulus. These clouds grow upward, and they can develop into a giant cumulonimbus, which is a thunderstorm cloud.
The fruit of a dehiscent plant splits open when it is ripe to disperse seeds. Examples are peas, beans, peanuts, and magnolias. Technically, a banana is an herb.
At a distance of about 2.5 million light years, the Andromeda galaxy (also known as NGC 224 and M31) is the nearest galaxy to the Earth apart from smaller companion galaxies such as the Magellanic Clouds.