Latest about Octopuses
Blue-ringed octopus, one of the most toxic animals on Earth, bites woman multiple times
An unnamed woman was bitten twice by a blue-ringed octopus, which contains one of the most dangerous neurotoxins on the planet, but she escaped relatively unharmed.
How many hearts does an octopus have?
Octopuses are odd: They have more than one heart and copper-rich blue blood.
Octopuses may be terrifically smart because of this genetic quirk they share with humans
Octopus brains may have grown smart from an enormous diversity of microRNAs that let them grow multiple types of brain cells.
Octopus facts
These eight-armed, blue-blooded animals are quite intelligent. Sad about their sex lives, though.
Octopuses may be so terrifyingly smart because they share humans' genes for intelligence
Genetic analysis of octopuses identified DNA sequences in their brains called transposons, which may help regulate learning.
Octopuses fling shells and sand at each other, and scientists caught their battles on video
Watch debris from the sea bottom fly, as octopuses hurl sand and other projectiles at their neighbors in an Australian bay.
Octopuses Are Surprisingly Social — and Confrontational, Scientists Find
A new study reveals that octopuses frequently communicate with each other in challenging displays that include posturing and changing color.
Octopus Gets Mental Workout with Hamster Ball
Octopuses are highly intelligent, and thanks to their amazing, neuron-filled tentacles, they can do humanlike tasks such as unscrewing jars and lids.
