Difference summary: 
DataFrames have same structure, but different values.
Total number of different values: 4 of 21 (19.05%).
Total number of rows with differences: 2
Total number of columns with differences: 4:
           1: Name
           1: Symbol
           1: AtomicWeight
           1: ApproxDiscovery

            Value Differences (all rows with differences)             
┏━━━━━┳━━━━━━━━━━━━━━┳━━━━━━━━┳━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━┓
┃   # ┃         Name ┃ Symbol ┃ AtomicWeight ┃       ApproxDiscovery ┃
┃     ┃       String ┃ String ┃      Float64 ┃              Datetime ┃
┃     ┃       String ┃ String ┃      Float64 ┃              Datetime ┃
┡━━━━━╇━━━━━━━━━━━━━━╇━━━━━━━━╇━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━┩
│ 1 < │       Cerium │     Ce │   < 140.1161 │   1803-01-01 00:00:00 │
│ 1 > │       Cerium │     Ce │     > 140.12 │   1803-01-01 00:00:00 │
│ 2 < │ < Ununoctium │  < Uuo │        294.0 │                < None │
│ 2 > │  > Oganesson │   > Og │        294.0 │ > 2002-06-01 00:00:00 │
└─────┴──────────────┴────────┴──────────────┴───────────────────────┘
