The historical development of the Brain i.e. from its formation from Annelida: Earthworm, Lugworm, Rag worm, Amphitrite, Freshwater worm, Marine worm, Tubifex, Leech. etc, Arthropoda : Housefly, Butterfly, Honey bee, Fairy shrimp, Horsehoe crab, Tick, Bluebootle, Froghopper, Yellow crazy ant, Water flea, Sea spider, Indian red admiral, Blue admiral, Harvestman, Hoverfly, Shield bug, Assassin bug, Cicada, Coreid bug, Rose aphid, Water – boatman, Wasp, June bug, Large tortoiseshell, Frog beetle, Mexican red – legged tarantula, Paintedlady, Sydney funnelweb spider, Small tortoiseshell, Mountain bumble bee, Trapdoor spider, Jumping spider, Daddy longlegs spider, Orchind bee, Asian carpenter bee, Parasitic bee, House spider, Orb spider, Black widow spider, Giant crab spider, Wolf spider, Bird – eating spider, Tenebrionid beetle, Green Tiger beetle, African goliath beetle, Diving beetle, African ground beetle, New guinea weevil, Giant longhorn beetle, Fiddler crab, Shiny spider crab, Hermit crab, Flea, Bedbug Beetle, Cockroach, Scorpion, Spider, Ant, Gnats, Grasshopper, Crab, Great green bush cricket, Elephant hawk – moth, Sail swallowtail, Red admiral, Morpho butterfly, Desert locust, Stephens island weta, Speckled bush cricket, Mole cricket, Dung – beetle, Euthalia ynipardus, Small blues, Termite, Hornet, Mosquito, Garden spider, Tarantula, Desert hairy scorpion, Emperor dragon – fly, Moth, Centipede, Wood ant, Stag beetle, Ladybird, Krill, Barnacle, Copepod, Monarch butterfly, Peacock butterfly, Silverfish, Cairns birdwing, Silver - spotted skipper, Large white, Andonis blue, Camberwell beauty, Tiger swallowtail, Regent skipper, Black – veined white, Green – underside blue, Blue morpho, Apollo, Guava skipper, Cleopatra, Large copper, Monarch butterfly, Millipede, Barnacle, Lobster, Shrimp, Woodlice, Mite, Prawn. etc, Mollusca : Snail, Octopus, Ammonite, Slug, Clam, Mussel, Scallop, Squid, Chiton, Neapolitan triton, Tower screw shell, Common spider conch, California frog shell, Japanese wonder shell, Commercial trochus, Wide – mouthed purpura, West Indian worm shell, Flea – bite cone, strawberry drupe, Common egg cowrie, Fool’s cap, Cockscomb oyster, Giant razor shell, New Zealand mussel, Swan mussel, Zebra mussel, Limpet, Noble pen shell, Gaping file shell, Spiny sand cockle, Cockscomb oyster, Thorny oyster, Speckled telling, Fan mussel, Dog cockle, Lion’s paw, True heart cockle, Elephant tusk, Butterfly chiton, Brachiopod shell, Pearly nautilus, Cuttlefish, Oysters. etc., Chordata: - Pisces or Fishes : Rohu, Smooth dogfish, Saw Fish, Sargassum fish, Electric Ray, Goldfish, Red mullet, Grouper, Halibut, Narwhal, Sockeye, Tilapia, Blenny, Grayling, Clown fish, Bream, Lungfish, Lumpfish, Marlin, Stone fish, Grunt, Sting Ray, Swordfish, Mackerel, Barbel, Bass, Killer shark, Stickleback, Whitefish, Parrot fish, Barracuda, Tope, Hammer – headed shark, Sardines, Herring, Salmon, Pomfret, Surgeon Fish, Pilot Fish, Lamprey, Mako, Sea horse, Trout, Manta, Bat ray, Rat ray, Spotted ray, Round stingray, Loach, Flying Fish, Bhetki, Angler Fish, Rainbow Trout, Climbing perch, John dory, Blue Ribbon Eel, Sailfish, Tailbar Lion Fish, Power Blue Sturgeon, Pike, Blue – Spotted Box Fish, Killifish, Mandarin fish, Horn shark, Ratfish, Catfish, Leopard Shark, Port Jackson shark, White shark, Wobbegong, Blue Shark, Shortfin mako, Ling, Lemon sole, Mosquito Fish, Sixgill shark, Thresher shark, Harlequin fish, Whale shark, Basking shark, Scorpion fish, Sleeper shark, Wobbegong shark, Siamese fighting shark, Saddleback butterfly fish, Pencil Fish, Koran angle fish, Archer fish, Tripod, Blonde Ray, Thornback ray, Tiger Shark. etc, Amphibia : Frog, Toad, Salamander, Green toad, Natterjack toad, Portuguese fire salamander, North American tiger salamander, Red – spotted toad, Tomato frog, White’s treefrog, Poison dart frog, Cane toad, Newt, Bullfrog, Albion, Caecilian. etc , Reptilia : Lizard, Tortoise, Chameleon, Australian frilled lizard, Monitor, Snake, Cayman, Cobra, Python, Boa constrictor, Crested newt, California newt, Marbled newt, Fire – bellied newt, Mandarin newt, Italian crested newt, Palmate newt, Alpine newt, Flying tree snake, Corn snake, Californian king snake, Vine snake, Puff – adder, Viper, Bosc’s monitor lizard, Thai water dragon, Tegu lizard, Tipan, Black mamba, Spitting cobra, Corpe De Lance, King cobra, European glass lizard, Texas horned lizard Scaly – foot legless lizard, Eyed lizard, Jackson’s chameleon, Leopard gecko, Anaconda, Komodo dragon, Leatherback, Loggerhead turtle, Green sea – turtle, Iguana, Hawksbill turtle, Star tortoise, Red – eared slider terrapin, Asiatic Water monitor, Red – footed tortoise, Rattlesnake, Coral snake, Eyed skink, Iberian tortoise, Horned toad, Tuatara, Alligator, Green Iguana, Crocodile, Gharial, Terrapins, Egg – eating snake, Egyptian cobra, Turtle. etc , Aves or Birds : Duck, Owl, Ostrich, Buff Brahma, Eagle, Vulture, Falcon, Crow, Hen, Cock, Spoonbill, Pigeon, Sparrow, Myna, Black – headed starling, Geese, Screamer, Swan, Frogmouth, Night hawk, Nightjar, Oilbird, Potoo, Cassowarie, Emu, Avocet, Courser, Jacana, Lapwing, Oystercatcher, Plover, Sparrow hawk, Nightingale, Lammergeier, Sharp – Shinned Hawk, Gouldian finch, Baltimore oriole, Osprey, Snowy owl, Tawny owl, Eurasian eagle owl, Southern boobook, Barn owl, Magpie, Celestial parrotlet, Eclectus parrot, African grey parrot, Eurasian curlew, Wattled jacana, White – headed lapwing, Pied avocet, Green – winged macaw, Blue – crowned hanging parrot, Galah, Lammergeier, Umbrella cockatoo, Marabou, Chattering lorry, rainbow lorikeet, Wood warbler, Cactus wren, King bird of paradise, Jay, Scarlet – tufted malachite sunbird, American robin, Rufous hornero, Superb lyrebird, Grosbeak, Skimmer, Skua, Snipe, Bittern, Flamingo, Mouse bird, Dove, Siberian tit, Vinous – Throated Parrotbill, Penduline tit, Long – tailed tit, Hornbill, Green finch, Motmot, Roller, Todie, Hoatzin, Buzzard, Hawk, Kestrel, Kite, Moa, Osprey, Secretary bird, Whippoorwill, Grouse, Partridge, Peafowl, Turkey, Puffin, Diver, Bustard, Coot, Crane, Rail, Black bird, Bunting, Finch, Stonechat, Honey eater, Lark, Sunbird, Swallow, Tit, Caracara, Warbler, Weaver bird, Eider duck, Northern shoveler, Whitethroat, Egyptian Vulture, Black – Capped Chickadee, Mallard, Harlequin duck, Columbian Wyandotte, Wood duck, Torrent duck, Long – tailed duck, Dunnock, Wren, Boobie, Kea, Cormorant, Dorter, Frigate bird, Gannet, Pelican, Shag, Honey guide, Jacamar, Masked lovebird, Red – Tailed Hawk, Lyrebird, Blue jay, Condor, Rufous ovenbird, Striped gardener bowerbird, Satin bowerbird, Mute swan, Canada goose, Quetzal, Mallard, Pelican, Eared grebe, Puff bird, Harrier, Grebes, Fulmar, Petrel, Shearwater, Cockatoo, Lorie, Golden eagle, Tawny eagle, Waxwing, Bald eagle, African hawk eagle, Lorikeet, Macaw, Parakeet, Sang grouse, Rhea, Tinamou, Trogon, Heron, Ibis, Stork, Blue ring – necked parakeet, Waterfowl, Raptor, Peacock, Kookaburra, Albatross, Kiwi, Gull, Blue tit, Auk, Tern, Wader, Tailor bird, Parrot, Cuckoo, Turacos, Bulbul, Jackdaw, Barred Plymouth Rock, White Plymouth Rock, Barred Owl, Pheasant, Hooded vulture, Andean condor, Grackle, Turkey vulture, Egytian vulture, Zone – Tailed Hawk, White – backed vulture, Mandarin duck, Snow goose, Shelduck, Lophophorus, Humming bird, Swift, Bee – eater, Hoopoe, Kingfisher, Barbet, Toucans, Woodpecker, Passerine, Fork tail, Sallow, Shrike, Creeper, White – crested lenghing, Thrush, Purple Sunbird. etc , Mammalia : Rat, Bat, Horse, Standardbred, Throughbred, Saddlebred, Arab, Palomino, Australian stock, Appaloosa, Barb, Lippizaner, Mustang, American Shetland, Falabella, Percheron, Shire, Mule, Bullock, Setter, Oxen, Camel, Tiger, Lion, Hyaenas, Leopard, Bear, Cat, Dog, Sheep, Goat, Cow, Cob, Pig, Chamois, Bulldog, Borzoi, Loris, Longspur, Harvest mouse, Spiny – ant eater, Duck – billed platypus, Elephant, Rhinoceros, Tonkinese, Ragdoll, Margay, Tapir, Seal, Sea lion, Walrus, Dolphin, Bactrian camel, Arabian camel, Bushbaby, Burmese cat, Whale, Porpoise, Aardvark, Ape, Monkey, Gorilla, Chimpanzee, Flying Lemur, Hare, Pika, Macaque, Rabbit, Colobus, Antelope, Caribou, Cattle, Deer, Grizzly bear, Hyrax, Armadillo, Porcupine, Hedgehog, Arctic hare, Mole, Shrew, Beaver, Asian black bear, Polar bear, Sloth bear, Spectacled bear, Mouse, Squirrel, Dugong, Moose, Fallow deer, Reindeer, Red deer, Manatee, Egyptian Mau, Scottish fold, Himalayan, Birman, Red squirrel, Hippopotamus, Weasel, Whale, Wither, Blue whale, Sperm whale, Killer whale, Wallaby, Beluga, Baird’s beaked whale, Grey whale, Bryde’s whale, Pygmy right whale, Southern right whale, Seal, Ape, Indri, Aye – aye, Alaskan Malamute, Dobermann, Beagle, Kinkajou, Afgan Hound, Rough Collie, Cardigan Welsh Corgi, Sheepdog, Pointer, Poddle, Weimaraner, Bloodhound, Zebra, Giraffe, Yak, Arctic fox, Polecat, Golden Retriever, Kerry Blue, Prairie dog, Airedale, German spitz, Pekingese, Otter, Shih Tzu, Proboscis monkey, Orang – utan, Red Howler monkey, Spider monkey, Sloth, Koala, Pangolin, Mustelid, Mongoose, Guinea pig, Malayan Porcupine, Naked Mole rat, Capybara, Pallid Gerbil, Brown rat, Somali, Ocicat, Balinese, Bengal, Cymric, Chartreux, Devon Rex, Turkish Angora, Russian Blue, Yellow – necked woodmouse, Hamster, Grey squirrel, Chipmunk, Fox, Blue Longhair, Chinese Pangolin, Blue – cream shorthair, Tortoiseshell and white shorthair, Brown spotted shorthair, Red and white Japanese bobtail, Javanese, Red Persian Longhair, Brown classic tabby maine coon, Lilac angora, Seal point Siamese, Brown and white sphinx, Red classic tabby manx, Vampire bat, Proboscis bat, Franquet’s fruit bat, Bengal Tiger, Horseshoe bat, Noctule bat, Funnel - eared bat, Blue exotic, Foreign lilac oriental shorthair, Boxer, Bay, Cream point colour pointed british shorthair, Abyssinian, Cinnamon silver Cornish rex, Wolverine, Skunk, Human being, Pine marten, Stoat, Chocolate point longhair, Husky, Ant eater, Kangaroo, Gray Mouse Lemur, Musk oxen, Raccoon dogrie, Pasnda, Bouto, Pembroke Welsh corgi, Whippet, Whisker, Indus river dolphin, Franciscana, Sorrel, Finless porpoise, Jerboa, Harbour porpoise, Bottlenose dolphin, Border Collie, Diana Monkey, White – beaked dolphin, Atlantic white – sided dolphin, Bobcat, Alpaca, Aberdeen angus, Lynx, Pacific white – sided dolphin, Rhesus monkey, Irish wolfhound, Baboon, Slivery marmoset, Puma, Ocelot, Norwegian Forest Cat, Basenji, Keeshond, Akita, Samoyed, Briard, Brittaney, Vizsla, Weimaraner, Saluki, Greyhound, Rottweiler, Bullmastiff, Newfoundland, Puli, Bombay, Sphynx, Kangaroo rat, Humpback whale, Red panda, Maltese, Pug, Chihuahua, Papillon, Pomeranian, Schipperke, Aardwolve, Cheetah, Civet, Red – Bellied Lemur, Moustached Monkey, Yorkshire terrier, German shepherd, Clumber spaniel, Bouvier des Flandres, Belgian sheepdog, Boston terrier, Italian greyhound, Chesapeake Bay retriever, Genet, Musk deer, Bichon fries, Rock Hyrax, Pony, Mink, Mammoth, Mastodon, Giant sloth, Llama, African Elephant, DeBrazza’s Monkey, Siberian Tiger, Hackney Pony, Bonnet Monkey, German wirehaired pointer, Ferret, Jaguar, Dalmatian, Red Bengal Tiger, Badger, Shunk, Skye terrier, Great dane, Grampus, Bandicoot, Wolf, Marmot, Squirrel monkey, Sable, Minke whale, Spectacle porpoise, Opossums, Airedale, Wombat. etc , Ramapithecus, Australopithecus bosei or Paranthropus bosei, Zinjanthopus bosei, Homo – erectus ( Java man, Peking man, Heidelberg man ), Homo – Sapiens ( Neanderthal man, Cro – magnon man) to the modern humans with their development and size of their brain, their contributions to the formation of the modern humans. How they formed and how did they survive in this Earth? What was their habitat and how did they adopt themselves to the changing environment? What did they find and what they eat? How did they defend from their enemies and attack them? Which is the oldest stone ever discovered? Which ancestor of human being first started to walk with the help of two limbs? What medicinal herbs did they find, which ancestor of human being first discovered it and what culture and traditions did they start to follow? Which ancestor of human being first founded a community? What was the duty of the males and females in the community? Which ancestor of human being first made a home to live, who founded the first fire, which ancestor of human being first started to talk? Which ancestor of human being started to do farming and how science and technology took place in the life of the humans? From which ancestor of human’s did the group marriage start to take place? What instruments or weapons did they make to defend from their enemies with the change in time? What thoughts did they have when a person died in their family? How much percent of brain can we (modern humans) use? What is the power of our Brain? Why is our (modern humans) brain considered as the most developed, intelligent and sensitive brain in the world? How big our human brain is? What can it (our brain) do? How can we use it (our brain)? How should we use it? Solutions of above inquisitiveness are included in this book.This title contains 1,809 words.