Shark
Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the rays. However, the term “shark” has also been used for extinct members of the subclass Elasmobranchii outside the Selachimorpha, such as Cladoselache and Xenacanthus, as well as other Chondrichthyessuch as the holocephalid eugenedontidans,More info:wiki
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#10 A Shark Scarier Than the Megalodon Could Exist,More info:BRIGHT SIDE
#9 Massachusetts Suffered Its First Fatal Shark Attack in Decades. Here’s How Common They Really Are in the U.S,More info:time
#8 61-Year-Old Man Fights Cape Cod Shark in Unconventional but Effective Way,More info:inverse
In a scene that haunts many Massachusetts vacationers’ nightmares, a 61-year-old man came face-to-face with a great white shark while swimming off the coast of Cape Cod this week. However, William Lytton, the would-be victim, surprised both the apex predator and himself with a flurry of well-placed punches that probably saved his life.
Though the Massachusetts Division of Marine Fisheries reports that Cape Cod’s shark population seems to be growing steadily, most of them aren’t looking to attack humans. But sometimes it happens. Lytton discovered this as he was swimming in an area eight to ten feet deep and suddenly felt a “beyond excruciating” pain in his leg, where a curious great white had taken a bite. He quickly fought for his life, throwing punches aimed at the shark’s gills.
#7 Did Great White Sharks Wipe Out the Giant Megalodon?,More info:livescience
#6 Could Shark DNA Help Fight Cancer in Humans?,More info:popularmechanics
Sharks are at the top of the marine food chain for a reason. Their massive size along with a dazzling row of extra-sharp teeth make them the fiercest hunters in our oceans. But it turns out that the shark’s aquatic dominance reaches down into its very DNA, and through its mutations, sharks could teach us how to fight our most deadly affliction—cancer.
This isn’t the first evidence that mutations can prove beneficial for disease resistance and long-term survival. High bone density, a hemoglobin that boosts malaria resistance, and a third retinal cone that improves color vision are some human examples. But new gene mapping conducted by scientists at the Save Our Seas Foundation Shark Research Center at Florida’s Nova Southeastern University, the Guy Harvey Research Institute, and the Cornell University College of Veterinary Medicine shows that sharks have developed genomic adaptations that repair damaged DNA, effectively protecting them against cancer and other diseases.
#5 How Sharks Work,More info:animals.howstuffworks
Great White Sharks can be found in many parts of the world. See pictures of sharks.
Every summer millions of overworked minions all over the world take time off from the job, pack up the car and hit the beach for a nice, relaxing family vacation. A little saltwater, sunshine and sand in the toes are a healthy remedy for a stressed out and overextended workforce. Parents kick back while the kids build sand castles, toss the Frisbee and take a swim in the ocean. Singles roam the beach in search of love. College kids party like it’s 1999. It’s all sun and fun until the lifeguard blows the whistle and yells the word that no beach comber ever wants to hear — SHARK!
#4 How Australia plans to keep sharks away from swimmers this summer,More info:stuff
#3 Shark attacks: What are the most dangerous places in America? Here’s your guide,More info:abcnews.go
#2 Conservationists slam Australia shark policy as more killed,More info:lecourrieraustralien
#1 Can Certain Weather Make You More Vulnerable to Shark Attacks?,More info:thoughtco
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