The gigasecond (Gs) is a unit of time in the International System of Units, defined as 109 seconds using the SI prefix system.
John Hargrove, who spent 14 years as an orca trainer, mostly at SeaWorld, says there was no doubt that the whale was aggressive. And the reason for whales' aggression, he says, is that they're held captive.Hargrove eventually became disillusioned with SeaWorld's treatment of orcas and left the company.ohn Hargrove, who spent 14 years as an orca trainer, mostly at SeaWorld, says there was no doubt that the whale was aggressive. And the reason for whales' aggression, he says, is that they're held captive.
One of the reasons why we find whales, dolphins, and porpoises interesting is because they demonstrate a broad range of behaviors when at the ocean surface. Scientists use terms such as breaching, spyhopping, and spouting to discuss cetacean behaviors.hales, dolphins and porpoises must breathe air just like humans. However since cetaceans live in water, breathing is a little more difficult for them than it is for us. Most whales can hold their breath for prolonged periods of time.