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...
Posts by George Sranko
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...
How do Snakes Mate? (Snake Reproduction Explained in Detail – with Videos and Diagrams)
Male snakes have two penises, each with its own testicle, but they only use one at a time. During copulation, the male inserts one hemipenis into the cloaca of the female to transfer his...
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....
Can Dead Jellyfish Sting? How Do Stinging Cells (Nematocysts) Work? Is Vinegar Effective?
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...
Do Woodpecker Tongues Wrap Around the Brain? (Action Video and Diagrams)
Woodpeckers with long tongues have specialized wiry structures that wrap around the skull, but not in direct contact with the brain. This Y-shaped structure consists of stiff, yet flexible,...
