Anyone who owns a cat is familiar with the head-bumping way they greet you, but what does this behavior mean?
One common misconception people have regarding evolution is that the gradual changing of physical forms always benefits the species in question.
How is it that whales are able to withstand the extreme pressures of the ocean's depths?
How can dogs eat anything from homework to food wrappers and still be ok?
We can all hum the song from the "Jungle Book", but what really are the bare necessities for a big bear?
Find out why some birds really do keep one eye open and how they do it.
You may know that red tides have something to do with the ocean turning red near beaches, but you probably don't know what this means or why it's important.
We talk to our house pets all the time, but wouldn't it be great if your cat could answer you in English?
What keeps penguin's feet from freezing? Penguins' feet don't freeze because of the blood circulating in them.
Ever been so scared that you can't move? Well freezing is actually an effective defense mechanism!