Intelligence was once thought to be uniquely human.

But researchers have discovered astonishing cognitive abilities in many other species—not just our close cousins like chimps, or fellow mammals like dolphins—but also crows, parrots, and even octopuses.

If we consider the intelligence of swarms, we must add bees, termites, and ants to the list of super smart creatures. Join the scientists who study smarts as we ask: What is intelligence?

As we continue to develop AI, we realize how fluid the definition of intelligence can be.

Gaurav Sen explains NoSQL databases in this introductory video.

NoSQL is a popular database storage method. It keeps data as key value pairs. The advantages and disadvantages of NoSQL compared with RDBMS (which uses SQL) are discussed here, using the Cassandra architecture as an example.

Video index:

  • 1:08 NoSQL explanation and comparison
  • 10:27 Cassandra Architecture
  • 18:00 Quorum
  • 21:30 Compaction of SST tables