Bonnethead fish control pitching (up-and-down motion of the body), yawing (the side-to-side motion), and rolling. Most hammerhead sharks do not yaw or roll and achieve pitch using their cephalofoils. The smaller cephalofoil of a bonnethead shark is not as successful, so they have to rely on the combination of cephalofoils and their large pectoral fins for most of their motility. Compared to other hammerheads, bonnethead sharks have larger and more developed pectoral fins and are the only species of hammerhead to actively use pectoral fins for swimming. Using data from mtDNA analysis, scientist have found that evolution of hammerhead sharks probably
A Gentle Creature (film) A Gentle Creature (film) A Gentle Creature is a 2017 drama film directed by Sergei Loznitsa. The film was created as an international co-production between France, Germany, the Netherlands, Russia, Latvia, Ukraine and Lithuania. It was selected to compete for the Palme d'Or in the main competition section at the 2017 Cannes Film Festival. The film is inspired by the short story of the same name by Fyodor Dostoyevsky. A woman lives alone on the outskirts of a village in Russia. One day she receives a parcel she had sent to her incarcerated husband, marked 'return to sender'. Shocked and