The travel velocity of these two wave types is not the same (P-waves are faster than S-waves). Thus, if there is an earthquake somewhere, the first waves that arrive are P-waves. In essence, the gap in P-wave and S-wave arrival gives a first estimate of the distance to the earthquake.
With the mysterious U.S. Senator Eddie Morra (Bradley Cooper) providing him with a second drug to counteract NZT's deadly side effects, Brian uses his enhanced abilities to help FBI agent Rebecca Harris (Jennifer Carpenter).
Agent Ocean (Elijah Sandiford, season 2): Odd Squad's director of the creature room. Ocean has a laid-back and easy-going personality and he is friendly to the other agents. He specializes in animals/creature knowledge that Odd Squad agents may need to know. Agent Octavia (Julia Lalonde): Agent Oz's partner.