How Do Octopus Kill Their Prey? Can an Octopus Sting You? (Beaks and Venom)

Picture of octopus and cartoon crab with title, "how do octopus kill their prey?"

Octopuses are stealth hunters that feed on prey such as crabs, lobsters, and shellfish—and even other octopuses. They grasp the prey with strong suckers, enveloping it in their webbed arms while biting and tearing with their powerful parrot-like beaks. They can pierce the shells of prey with their beaks and drill-like radula. Once there is … Read more

Great White Sharks – Lifespan, Lifecycle and Diet (Cool Facts You Won’t Believe)

Photo of great white shark showing teethjaws

The lifespan of great white sharks is thought to be up to 70 years or more, which is far longer than earlier estimates. This makes it one of the longest-living cartilaginous fishes currently known. Scientists believe that female great white sharks need 33 years to attain reproductive age, while males reach sexual maturity in about … Read more

12 Cannibal Animal Facts and Surprises! (Is Your Cute Hamster Truly Harmless?)

Photo of hamster

Contrary to popular belief, cannibalism—the act of eating members of one’s own species—occurs frequently in the natural world. For examples of animals that prey on their own kind, continue reading. Why do Animals Become Cannibals? In his book, Cannibalism: A Perfectly Natural History, Bill Schutt demonstrates how lowering competition, eliminating the weak, and strengthening the … Read more

Why are Honey Badgers So Fearless? (Are They Dangerous to Humans?)

There’s no doubt that honey badgers have a fearless “bad ass” attitude. Let’s see why. Honey badgers, also known as ratels, regularly steal prey from leopards, attack and consume deadly snakes and scorpions, and successfully fight off lions and hyenas. One honey badger was observed grabbing a five-ton elephant by the trunk and another castrated … Read more

Seahorse Reproduction Latest Science (Pregnant Males, Fascinating Facts) Videos and Photos

Photo of pregnant male seahorse

Male seahorses, rather than females, are the ones that become pregnant and give birth to live young. Females produce the eggs and transfer them to the male’s enclosed brood pouch where the male fertilizes the eggs, ensuring that his genes are passed to the next generation. When seahorses mate, they perform a lengthy courtship dance … Read more

How Do Penguins Stay Warm? (Why don’t Penguin Feet Freeze?)

Penguins are superbly adapted to staying warm in sub-zero temperatures. They use vasoconstriction of blood vessels under the skin to prevent losing heat to the outside.  Penguin feet don’t freeze because they have dense, scaly insulating pads. They also have a specialized network of blood vessels that act as a heat transfer system.  Descending blood … Read more

Are Birds Dinosaurs? Latest Science (How Birds Evolved from Dinosaurs)

Yes, birds are the direct descendants of theropod dinosaurs, such as T. rex, that roamed planet earth over 100 million years ago.  Chickens, turkeys, hummingbirds – all birds, in fact – are literally modern-day dinosaurs. Dinosaurs first evolved bird-like characteristics during the Jurassic around 165–150 million years ago. Microraptor, for example, was an early flying … Read more

Why do Male Octopuses Die after Mating? (How does Octopus Senescence work?)

Death is inevitable for male octopuses once they’ve mated because they stop feeding, they become uncoordinated, often attracting predators in the wild, and they lose the ability to heal their skin. This period near the end of life, called senescence, is driven by secretions from the optic gland that trigger the reproductive organs while inactivating … Read more

Can Dead Jellyfish Sting?  How Do Stinging Cells (Nematocysts) Work? Is Vinegar Effective?

Jellyfish washed up on beach

Yes, dead jellyfish can still sting you, even if you find one washed up on the beach.  And it doesn’t have to be a whole jellyfish – even small bits and pieces of tentacle can cause a painful sting. This is because the stinging cells, or nematocysts, can remain viable and ready to fire for … Read more