Intimidating? Definitely. Dangerous, though? Maybe not as much as you thought. Check out this photo series by our underwater correspondent, Liv, to learn more about the friendly, misunderstood Great Hammerhead Shark.
Thermohaline circulation (THC) determines the climates on our continents and shapes global ecosystems. One part of THC in the northern Atlantic Ocean, however, seems to be shutting down, and it may be our fault.
There is perhaps no intelligent creature on earth more different from us than the octopus. Sequencing the octopus genome has allowed us to get to the bottom of some of these differences, and understand what make the octopus, and its brain, so unique.